398592880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:467

約数の個数: 160

約数和(自身を含む): 1132963200

約数和(自身を除く): 734370320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 149, 170, 238, 272, 280, 281, 298, 340, 476, 560, 562, 595, 596, 680, 745, 952, 1043, 1124, 1190, 1192, 1360, 1405, 1490, 1904, 1967, 2086, 2248, 2380, 2384, 2533, 2810, 2980, 3934, 4172, 4496, 4760, 4777, 5066, 5215, 5620, 5960, 7868, 8344, 9520, 9554, 9835, 10132, 10430, 11240, 11920, 12665, 15736, 16688, 17731, 19108, 19670, 20264, 20860, 22480, 23885, 25330, 31472, 33439, 35462, 38216, 39340, 40528, 41720, 41869, 47770, 50660, 66878, 70924, 76432, 78680, 83440, 83738, 88655, 95540, 101320, 133756, 141848, 157360, 167195, 167476, 177310, 191080, 202640, 209345, 267512, 283696, 293083, 334390, 334952, 354620, 382160, 418690, 535024, 586166, 668780, 669904, 709240, 711773, 837380, 1172332, 1337560, 1418480, 1423546, 1465415, 1674760, 2344664, 2675120, 2847092, 2930830, 3349520, 3558865, 4689328, 4982411, 5694184, 5861660, 7117730, 9964822, 11388368, 11723320, 14235460, 19929644, 23446640, 24912055, 28470920, 39859288, 49824110, 56941840, 79718576, 99648220, 199296440, 398592880]

約数ペア:

[(1, 398592880), (2, 199296440), (4, 99648220), (5, 79718576), (7, 56941840), (8, 49824110), (10, 39859288), (14, 28470920), (16, 24912055), (17, 23446640), (20, 19929644), (28, 14235460), (34, 11723320), (35, 11388368), (40, 9964822), (56, 7117730), (68, 5861660), (70, 5694184), (80, 4982411), (85, 4689328), (112, 3558865), (119, 3349520), (136, 2930830), (140, 2847092), (149, 2675120), (170, 2344664), (238, 1674760), (272, 1465415), (280, 1423546), (281, 1418480), (298, 1337560), (340, 1172332), (476, 837380), (560, 711773), (562, 709240), (595, 669904), (596, 668780), (680, 586166), (745, 535024), (952, 418690), (1043, 382160), (1124, 354620), (1190, 334952), (1192, 334390), (1360, 293083), (1405, 283696), (1490, 267512), (1904, 209345), (1967, 202640), (2086, 191080), (2248, 177310), (2380, 167476), (2384, 167195), (2533, 157360), (2810, 141848), (2980, 133756), (3934, 101320), (4172, 95540), (4496, 88655), (4760, 83738), (4777, 83440), (5066, 78680), (5215, 76432), (5620, 70924), (5960, 66878), (7868, 50660), (8344, 47770), (9520, 41869), (9554, 41720), (9835, 40528), (10132, 39340), (10430, 38216), (11240, 35462), (11920, 33439), (12665, 31472), (15736, 25330), (16688, 23885), (17731, 22480), (19108, 20860), (19670, 20264)]