238156880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:229

約数の個数: 160

約数和(自身を含む): 629959680

約数和(自身を除く): 391802800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 83, 89, 104, 124, 130, 155, 166, 178, 208, 248, 260, 310, 332, 356, 403, 415, 445, 496, 520, 620, 664, 712, 806, 830, 890, 1040, 1079, 1157, 1240, 1328, 1424, 1612, 1660, 1780, 2015, 2158, 2314, 2480, 2573, 2759, 3224, 3320, 3560, 4030, 4316, 4628, 5146, 5395, 5518, 5785, 6448, 6640, 7120, 7387, 8060, 8632, 9256, 10292, 10790, 11036, 11570, 12865, 13795, 14774, 16120, 17264, 18512, 20584, 21580, 22072, 23140, 25730, 27590, 29548, 32240, 33449, 35867, 36935, 41168, 43160, 44144, 46280, 51460, 55180, 59096, 66898, 71734, 73870, 86320, 92560, 96031, 102920, 110360, 118192, 133796, 143468, 147740, 167245, 179335, 192062, 205840, 220720, 228997, 267592, 286936, 295480, 334490, 358670, 384124, 457994, 480155, 535184, 573872, 590960, 668980, 717340, 768248, 915988, 960310, 1144985, 1337960, 1434680, 1536496, 1831976, 1920620, 2289970, 2675920, 2869360, 2976961, 3663952, 3841240, 4579940, 5953922, 7682480, 9159880, 11907844, 14884805, 18319760, 23815688, 29769610, 47631376, 59539220, 119078440, 238156880]

約数ペア:

[(1, 238156880), (2, 119078440), (4, 59539220), (5, 47631376), (8, 29769610), (10, 23815688), (13, 18319760), (16, 14884805), (20, 11907844), (26, 9159880), (31, 7682480), (40, 5953922), (52, 4579940), (62, 3841240), (65, 3663952), (80, 2976961), (83, 2869360), (89, 2675920), (104, 2289970), (124, 1920620), (130, 1831976), (155, 1536496), (166, 1434680), (178, 1337960), (208, 1144985), (248, 960310), (260, 915988), (310, 768248), (332, 717340), (356, 668980), (403, 590960), (415, 573872), (445, 535184), (496, 480155), (520, 457994), (620, 384124), (664, 358670), (712, 334490), (806, 295480), (830, 286936), (890, 267592), (1040, 228997), (1079, 220720), (1157, 205840), (1240, 192062), (1328, 179335), (1424, 167245), (1612, 147740), (1660, 143468), (1780, 133796), (2015, 118192), (2158, 110360), (2314, 102920), (2480, 96031), (2573, 92560), (2759, 86320), (3224, 73870), (3320, 71734), (3560, 66898), (4030, 59096), (4316, 55180), (4628, 51460), (5146, 46280), (5395, 44144), (5518, 43160), (5785, 41168), (6448, 36935), (6640, 35867), (7120, 33449), (7387, 32240), (8060, 29548), (8632, 27590), (9256, 25730), (10292, 23140), (10790, 22072), (11036, 21580), (11570, 20584), (12865, 18512), (13795, 17264), (14774, 16120)]