219953880

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:445

約数の個数: 224

約数和(自身を含む): 783025200

約数和(自身を除く): 563071320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 243, 270, 285, 324, 342, 360, 380, 397, 405, 456, 486, 513, 540, 570, 648, 684, 729, 760, 794, 810, 855, 972, 1026, 1080, 1140, 1191, 1215, 1368, 1458, 1539, 1588, 1620, 1710, 1944, 1985, 2052, 2280, 2382, 2430, 2565, 2916, 3078, 3176, 3240, 3420, 3573, 3645, 3970, 4104, 4617, 4764, 4860, 5130, 5832, 5955, 6156, 6840, 7146, 7290, 7543, 7695, 7940, 9234, 9528, 9720, 10260, 10719, 11910, 12312, 13851, 14292, 14580, 15086, 15390, 15880, 17865, 18468, 20520, 21438, 22629, 23085, 23820, 27702, 28584, 29160, 30172, 30780, 32157, 35730, 36936, 37715, 42876, 45258, 46170, 47640, 53595, 55404, 60344, 61560, 64314, 67887, 69255, 71460, 75430, 85752, 90516, 92340, 96471, 107190, 110808, 113145, 128628, 135774, 138510, 142920, 150860, 160785, 181032, 184680, 192942, 203661, 214380, 226290, 257256, 271548, 277020, 289413, 301720, 321570, 339435, 385884, 407322, 428760, 452580, 482355, 543096, 554040, 578826, 610983, 643140, 678870, 771768, 814644, 905160, 964710, 1018305, 1157652, 1221966, 1286280, 1357740, 1447065, 1629288, 1832949, 1929420, 2036610, 2315304, 2443932, 2715480, 2894130, 3054915, 3665898, 3858840, 4073220, 4887864, 5498847, 5788260, 6109830, 7331796, 8146440, 9164745, 10997694, 11576520, 12219660, 14663592, 18329490, 21995388, 24439320, 27494235, 36658980, 43990776, 54988470, 73317960, 109976940, 219953880]

約数ペア:

[(1, 219953880), (2, 109976940), (3, 73317960), (4, 54988470), (5, 43990776), (6, 36658980), (8, 27494235), (9, 24439320), (10, 21995388), (12, 18329490), (15, 14663592), (18, 12219660), (19, 11576520), (20, 10997694), (24, 9164745), (27, 8146440), (30, 7331796), (36, 6109830), (38, 5788260), (40, 5498847), (45, 4887864), (54, 4073220), (57, 3858840), (60, 3665898), (72, 3054915), (76, 2894130), (81, 2715480), (90, 2443932), (95, 2315304), (108, 2036610), (114, 1929420), (120, 1832949), (135, 1629288), (152, 1447065), (162, 1357740), (171, 1286280), (180, 1221966), (190, 1157652), (216, 1018305), (228, 964710), (243, 905160), (270, 814644), (285, 771768), (324, 678870), (342, 643140), (360, 610983), (380, 578826), (397, 554040), (405, 543096), (456, 482355), (486, 452580), (513, 428760), (540, 407322), (570, 385884), (648, 339435), (684, 321570), (729, 301720), (760, 289413), (794, 277020), (810, 271548), (855, 257256), (972, 226290), (1026, 214380), (1080, 203661), (1140, 192942), (1191, 184680), (1215, 181032), (1368, 160785), (1458, 150860), (1539, 142920), (1588, 138510), (1620, 135774), (1710, 128628), (1944, 113145), (1985, 110808), (2052, 107190), (2280, 96471), (2382, 92340), (2430, 90516), (2565, 85752), (2916, 75430), (3078, 71460), (3176, 69255), (3240, 67887), (3420, 64314), (3573, 61560), (3645, 60344), (3970, 55404), (4104, 53595), (4617, 47640), (4764, 46170), (4860, 45258), (5130, 42876), (5832, 37715), (5955, 36936), (6156, 35730), (6840, 32157), (7146, 30780), (7290, 30172), (7543, 29160), (7695, 28584), (7940, 27702), (9234, 23820), (9528, 23085), (9720, 22629), (10260, 21438), (10719, 20520), (11910, 18468), (12312, 17865), (13851, 15880), (14292, 15390), (14580, 15086)]