401064800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 144

約数和(自身を含む): 1039433472

約数和(自身を除く): 638368672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 71, 80, 92, 100, 115, 142, 160, 184, 200, 230, 284, 307, 355, 368, 400, 460, 568, 575, 614, 710, 736, 800, 920, 1136, 1150, 1228, 1420, 1535, 1633, 1775, 1840, 2272, 2300, 2456, 2840, 3070, 3266, 3550, 3680, 4600, 4912, 5680, 6140, 6532, 7061, 7100, 7675, 8165, 9200, 9824, 11360, 12280, 13064, 14122, 14200, 15350, 16330, 18400, 21797, 24560, 26128, 28244, 28400, 30700, 32660, 35305, 40825, 43594, 49120, 52256, 56488, 56800, 61400, 65320, 70610, 81650, 87188, 108985, 112976, 122800, 130640, 141220, 163300, 174376, 176525, 217970, 225952, 245600, 261280, 282440, 326600, 348752, 353050, 435940, 501331, 544925, 564880, 653200, 697504, 706100, 871880, 1002662, 1089850, 1129760, 1306400, 1412200, 1743760, 2005324, 2179700, 2506655, 2824400, 3487520, 4010648, 4359400, 5013310, 5648800, 8021296, 8718800, 10026620, 12533275, 16042592, 17437600, 20053240, 25066550, 40106480, 50133100, 80212960, 100266200, 200532400, 401064800]

約数ペア:

[(1, 401064800), (2, 200532400), (4, 100266200), (5, 80212960), (8, 50133100), (10, 40106480), (16, 25066550), (20, 20053240), (23, 17437600), (25, 16042592), (32, 12533275), (40, 10026620), (46, 8718800), (50, 8021296), (71, 5648800), (80, 5013310), (92, 4359400), (100, 4010648), (115, 3487520), (142, 2824400), (160, 2506655), (184, 2179700), (200, 2005324), (230, 1743760), (284, 1412200), (307, 1306400), (355, 1129760), (368, 1089850), (400, 1002662), (460, 871880), (568, 706100), (575, 697504), (614, 653200), (710, 564880), (736, 544925), (800, 501331), (920, 435940), (1136, 353050), (1150, 348752), (1228, 326600), (1420, 282440), (1535, 261280), (1633, 245600), (1775, 225952), (1840, 217970), (2272, 176525), (2300, 174376), (2456, 163300), (2840, 141220), (3070, 130640), (3266, 122800), (3550, 112976), (3680, 108985), (4600, 87188), (4912, 81650), (5680, 70610), (6140, 65320), (6532, 61400), (7061, 56800), (7100, 56488), (7675, 52256), (8165, 49120), (9200, 43594), (9824, 40825), (11360, 35305), (12280, 32660), (13064, 30700), (14122, 28400), (14200, 28244), (15350, 26128), (16330, 24560), (18400, 21797)]