836274400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:645

約数の個数: 144

約数和(自身を含む): 2215358208

約数和(自身を除く): 1379083808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 191, 200, 208, 260, 325, 382, 400, 416, 421, 520, 650, 764, 800, 842, 955, 1040, 1300, 1528, 1684, 1910, 2080, 2105, 2483, 2600, 3056, 3368, 3820, 4210, 4775, 4966, 5200, 5473, 6112, 6736, 7640, 8420, 9550, 9932, 10400, 10525, 10946, 12415, 13472, 15280, 16840, 19100, 19864, 21050, 21892, 24830, 27365, 30560, 33680, 38200, 39728, 42100, 43784, 49660, 54730, 62075, 67360, 76400, 79456, 80411, 84200, 87568, 99320, 109460, 124150, 136825, 152800, 160822, 168400, 175136, 198640, 218920, 248300, 273650, 321644, 336800, 397280, 402055, 437840, 496600, 547300, 643288, 804110, 875680, 993200, 1045343, 1094600, 1286576, 1608220, 1986400, 2010275, 2090686, 2189200, 2573152, 3216440, 4020550, 4181372, 4378400, 5226715, 6432880, 8041100, 8362744, 10453430, 12865760, 16082200, 16725488, 20906860, 26133575, 32164400, 33450976, 41813720, 52267150, 64328800, 83627440, 104534300, 167254880, 209068600, 418137200, 836274400]

約数ペア:

[(1, 836274400), (2, 418137200), (4, 209068600), (5, 167254880), (8, 104534300), (10, 83627440), (13, 64328800), (16, 52267150), (20, 41813720), (25, 33450976), (26, 32164400), (32, 26133575), (40, 20906860), (50, 16725488), (52, 16082200), (65, 12865760), (80, 10453430), (100, 8362744), (104, 8041100), (130, 6432880), (160, 5226715), (191, 4378400), (200, 4181372), (208, 4020550), (260, 3216440), (325, 2573152), (382, 2189200), (400, 2090686), (416, 2010275), (421, 1986400), (520, 1608220), (650, 1286576), (764, 1094600), (800, 1045343), (842, 993200), (955, 875680), (1040, 804110), (1300, 643288), (1528, 547300), (1684, 496600), (1910, 437840), (2080, 402055), (2105, 397280), (2483, 336800), (2600, 321644), (3056, 273650), (3368, 248300), (3820, 218920), (4210, 198640), (4775, 175136), (4966, 168400), (5200, 160822), (5473, 152800), (6112, 136825), (6736, 124150), (7640, 109460), (8420, 99320), (9550, 87568), (9932, 84200), (10400, 80411), (10525, 79456), (10946, 76400), (12415, 67360), (13472, 62075), (15280, 54730), (16840, 49660), (19100, 43784), (19864, 42100), (21050, 39728), (21892, 38200), (24830, 33680), (27365, 30560)]