391190240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:665

約数の個数: 192

約数和(自身を含む): 1149603840

約数和(自身を除く): 758413600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 217, 224, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 593, 608, 620, 665, 760, 868, 992, 1064, 1085, 1120, 1178, 1186, 1240, 1330, 1520, 1736, 2128, 2170, 2356, 2372, 2480, 2660, 2945, 2965, 3040, 3472, 4123, 4151, 4256, 4340, 4712, 4744, 4960, 5320, 5890, 5930, 6944, 8246, 8302, 8680, 9424, 9488, 10640, 11267, 11780, 11860, 16492, 16604, 17360, 18383, 18848, 18976, 20615, 20755, 21280, 22534, 23560, 23720, 32984, 33208, 34720, 36766, 41230, 41510, 45068, 47120, 47440, 56335, 65968, 66416, 73532, 78869, 82460, 83020, 90136, 91915, 94240, 94880, 112670, 128681, 131936, 132832, 147064, 157738, 164920, 166040, 180272, 183830, 225340, 257362, 294128, 315476, 329840, 332080, 349277, 360544, 367660, 394345, 450680, 514724, 588256, 630952, 643405, 659680, 664160, 698554, 735320, 788690, 901360, 1029448, 1261904, 1286810, 1397108, 1470640, 1577380, 1746385, 1802720, 2058896, 2444939, 2523808, 2573620, 2794216, 2941280, 3154760, 3492770, 4117792, 4889878, 5147240, 5588432, 6309520, 6985540, 9779756, 10294480, 11176864, 12224695, 12619040, 13971080, 19559512, 20588960, 24449390, 27942160, 39119024, 48898780, 55884320, 78238048, 97797560, 195595120, 391190240]

約数ペア:

[(1, 391190240), (2, 195595120), (4, 97797560), (5, 78238048), (7, 55884320), (8, 48898780), (10, 39119024), (14, 27942160), (16, 24449390), (19, 20588960), (20, 19559512), (28, 13971080), (31, 12619040), (32, 12224695), (35, 11176864), (38, 10294480), (40, 9779756), (56, 6985540), (62, 6309520), (70, 5588432), (76, 5147240), (80, 4889878), (95, 4117792), (112, 3492770), (124, 3154760), (133, 2941280), (140, 2794216), (152, 2573620), (155, 2523808), (160, 2444939), (190, 2058896), (217, 1802720), (224, 1746385), (248, 1577380), (266, 1470640), (280, 1397108), (304, 1286810), (310, 1261904), (380, 1029448), (434, 901360), (496, 788690), (532, 735320), (560, 698554), (589, 664160), (593, 659680), (608, 643405), (620, 630952), (665, 588256), (760, 514724), (868, 450680), (992, 394345), (1064, 367660), (1085, 360544), (1120, 349277), (1178, 332080), (1186, 329840), (1240, 315476), (1330, 294128), (1520, 257362), (1736, 225340), (2128, 183830), (2170, 180272), (2356, 166040), (2372, 164920), (2480, 157738), (2660, 147064), (2945, 132832), (2965, 131936), (3040, 128681), (3472, 112670), (4123, 94880), (4151, 94240), (4256, 91915), (4340, 90136), (4712, 83020), (4744, 82460), (4960, 78869), (5320, 73532), (5890, 66416), (5930, 65968), (6944, 56335), (8246, 47440), (8302, 47120), (8680, 45068), (9424, 41510), (9488, 41230), (10640, 36766), (11267, 34720), (11780, 33208), (11860, 32984), (16492, 23720), (16604, 23560), (17360, 22534), (18383, 21280), (18848, 20755), (18976, 20615)]