401252800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:327

約数の個数: 168

約数和(自身を含む): 1079430912

約数和(自身を除く): 678178112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 101, 104, 130, 160, 191, 200, 202, 208, 260, 320, 325, 382, 400, 404, 416, 505, 520, 650, 764, 800, 808, 832, 955, 1010, 1040, 1300, 1313, 1528, 1600, 1616, 1910, 2020, 2080, 2483, 2525, 2600, 2626, 3056, 3232, 3820, 4040, 4160, 4775, 4966, 5050, 5200, 5252, 6112, 6464, 6565, 7640, 8080, 9550, 9932, 10100, 10400, 10504, 12224, 12415, 13130, 15280, 16160, 19100, 19291, 19864, 20200, 20800, 21008, 24830, 26260, 30560, 32320, 32825, 38200, 38582, 39728, 40400, 42016, 49660, 52520, 61120, 62075, 65650, 76400, 77164, 79456, 80800, 84032, 96455, 99320, 105040, 124150, 131300, 152800, 154328, 158912, 161600, 192910, 198640, 210080, 248300, 250783, 262600, 305600, 308656, 385820, 397280, 420160, 482275, 496600, 501566, 525200, 617312, 771640, 794560, 964550, 993200, 1003132, 1050400, 1234624, 1253915, 1543280, 1929100, 1986400, 2006264, 2100800, 2507830, 3086560, 3858200, 3972800, 4012528, 5015660, 6173120, 6269575, 7716400, 8025056, 10031320, 12539150, 15432800, 16050112, 20062640, 25078300, 30865600, 40125280, 50156600, 80250560, 100313200, 200626400, 401252800]

約数ペア:

[(1, 401252800), (2, 200626400), (4, 100313200), (5, 80250560), (8, 50156600), (10, 40125280), (13, 30865600), (16, 25078300), (20, 20062640), (25, 16050112), (26, 15432800), (32, 12539150), (40, 10031320), (50, 8025056), (52, 7716400), (64, 6269575), (65, 6173120), (80, 5015660), (100, 4012528), (101, 3972800), (104, 3858200), (130, 3086560), (160, 2507830), (191, 2100800), (200, 2006264), (202, 1986400), (208, 1929100), (260, 1543280), (320, 1253915), (325, 1234624), (382, 1050400), (400, 1003132), (404, 993200), (416, 964550), (505, 794560), (520, 771640), (650, 617312), (764, 525200), (800, 501566), (808, 496600), (832, 482275), (955, 420160), (1010, 397280), (1040, 385820), (1300, 308656), (1313, 305600), (1528, 262600), (1600, 250783), (1616, 248300), (1910, 210080), (2020, 198640), (2080, 192910), (2483, 161600), (2525, 158912), (2600, 154328), (2626, 152800), (3056, 131300), (3232, 124150), (3820, 105040), (4040, 99320), (4160, 96455), (4775, 84032), (4966, 80800), (5050, 79456), (5200, 77164), (5252, 76400), (6112, 65650), (6464, 62075), (6565, 61120), (7640, 52520), (8080, 49660), (9550, 42016), (9932, 40400), (10100, 39728), (10400, 38582), (10504, 38200), (12224, 32825), (12415, 32320), (13130, 30560), (15280, 26260), (16160, 24830), (19100, 21008), (19291, 20800), (19864, 20200)]