398135280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:455

約数の個数: 160

約数和(自身を含む): 1275918336

約数和(自身を除く): 877783056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 173, 215, 223, 240, 258, 344, 346, 430, 446, 516, 519, 645, 669, 688, 692, 860, 865, 892, 1032, 1038, 1115, 1290, 1338, 1384, 1720, 1730, 1784, 2064, 2076, 2230, 2580, 2595, 2676, 2768, 3345, 3440, 3460, 3568, 4152, 4460, 5160, 5190, 5352, 6690, 6920, 7439, 8304, 8920, 9589, 10320, 10380, 10704, 13380, 13840, 14878, 17840, 19178, 20760, 22317, 26760, 28767, 29756, 37195, 38356, 38579, 41520, 44634, 47945, 53520, 57534, 59512, 74390, 76712, 77158, 89268, 95890, 111585, 115068, 115737, 119024, 143835, 148780, 153424, 154316, 178536, 191780, 192895, 223170, 230136, 231474, 287670, 297560, 308632, 357072, 383560, 385790, 446340, 460272, 462948, 575340, 578685, 595120, 617264, 767120, 771580, 892680, 925896, 1150680, 1157370, 1543160, 1658897, 1785360, 1851792, 2301360, 2314740, 3086320, 3317794, 4629480, 4976691, 6635588, 8294485, 9258960, 9953382, 13271176, 16588970, 19906764, 24883455, 26542352, 33177940, 39813528, 49766910, 66355880, 79627056, 99533820, 132711760, 199067640, 398135280]

約数ペア:

[(1, 398135280), (2, 199067640), (3, 132711760), (4, 99533820), (5, 79627056), (6, 66355880), (8, 49766910), (10, 39813528), (12, 33177940), (15, 26542352), (16, 24883455), (20, 19906764), (24, 16588970), (30, 13271176), (40, 9953382), (43, 9258960), (48, 8294485), (60, 6635588), (80, 4976691), (86, 4629480), (120, 3317794), (129, 3086320), (172, 2314740), (173, 2301360), (215, 1851792), (223, 1785360), (240, 1658897), (258, 1543160), (344, 1157370), (346, 1150680), (430, 925896), (446, 892680), (516, 771580), (519, 767120), (645, 617264), (669, 595120), (688, 578685), (692, 575340), (860, 462948), (865, 460272), (892, 446340), (1032, 385790), (1038, 383560), (1115, 357072), (1290, 308632), (1338, 297560), (1384, 287670), (1720, 231474), (1730, 230136), (1784, 223170), (2064, 192895), (2076, 191780), (2230, 178536), (2580, 154316), (2595, 153424), (2676, 148780), (2768, 143835), (3345, 119024), (3440, 115737), (3460, 115068), (3568, 111585), (4152, 95890), (4460, 89268), (5160, 77158), (5190, 76712), (5352, 74390), (6690, 59512), (6920, 57534), (7439, 53520), (8304, 47945), (8920, 44634), (9589, 41520), (10320, 38579), (10380, 38356), (10704, 37195), (13380, 29756), (13840, 28767), (14878, 26760), (17840, 22317), (19178, 20760)]