28802800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 77495040

約数和(自身を除く): 48692240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 40, 50, 52, 58, 65, 80, 100, 104, 116, 130, 145, 191, 200, 208, 232, 260, 290, 325, 377, 382, 400, 464, 520, 580, 650, 725, 754, 764, 955, 1040, 1160, 1300, 1450, 1508, 1528, 1885, 1910, 2320, 2483, 2600, 2900, 3016, 3056, 3770, 3820, 4775, 4966, 5200, 5539, 5800, 6032, 7540, 7640, 9425, 9550, 9932, 11078, 11600, 12415, 15080, 15280, 18850, 19100, 19864, 22156, 24830, 27695, 30160, 37700, 38200, 39728, 44312, 49660, 55390, 62075, 72007, 75400, 76400, 88624, 99320, 110780, 124150, 138475, 144014, 150800, 198640, 221560, 248300, 276950, 288028, 360035, 443120, 496600, 553900, 576056, 720070, 993200, 1107800, 1152112, 1440140, 1800175, 2215600, 2880280, 3600350, 5760560, 7200700, 14401400, 28802800]

約数ペア:

[(1, 28802800), (2, 14401400), (4, 7200700), (5, 5760560), (8, 3600350), (10, 2880280), (13, 2215600), (16, 1800175), (20, 1440140), (25, 1152112), (26, 1107800), (29, 993200), (40, 720070), (50, 576056), (52, 553900), (58, 496600), (65, 443120), (80, 360035), (100, 288028), (104, 276950), (116, 248300), (130, 221560), (145, 198640), (191, 150800), (200, 144014), (208, 138475), (232, 124150), (260, 110780), (290, 99320), (325, 88624), (377, 76400), (382, 75400), (400, 72007), (464, 62075), (520, 55390), (580, 49660), (650, 44312), (725, 39728), (754, 38200), (764, 37700), (955, 30160), (1040, 27695), (1160, 24830), (1300, 22156), (1450, 19864), (1508, 19100), (1528, 18850), (1885, 15280), (1910, 15080), (2320, 12415), (2483, 11600), (2600, 11078), (2900, 9932), (3016, 9550), (3056, 9425), (3770, 7640), (3820, 7540), (4775, 6032), (4966, 5800), (5200, 5539)]