381539600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:577

約数の個数: 120

約数和(自身を含む): 994519680

約数和(自身を除く): 612980080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 239, 260, 307, 325, 400, 478, 520, 614, 650, 956, 1040, 1195, 1228, 1300, 1535, 1912, 2390, 2456, 2600, 3070, 3107, 3824, 3991, 4780, 4912, 5200, 5975, 6140, 6214, 7675, 7982, 9560, 11950, 12280, 12428, 15350, 15535, 15964, 19120, 19955, 23900, 24560, 24856, 30700, 31070, 31928, 39910, 47800, 49712, 61400, 62140, 63856, 73373, 77675, 79820, 95600, 99775, 122800, 124280, 146746, 155350, 159640, 199550, 248560, 293492, 310700, 319280, 366865, 399100, 586984, 621400, 733730, 798200, 953849, 1173968, 1242800, 1467460, 1596400, 1834325, 1907698, 2934920, 3668650, 3815396, 4769245, 5869840, 7337300, 7630792, 9538490, 14674600, 15261584, 19076980, 23846225, 29349200, 38153960, 47692450, 76307920, 95384900, 190769800, 381539600]

約数ペア:

[(1, 381539600), (2, 190769800), (4, 95384900), (5, 76307920), (8, 47692450), (10, 38153960), (13, 29349200), (16, 23846225), (20, 19076980), (25, 15261584), (26, 14674600), (40, 9538490), (50, 7630792), (52, 7337300), (65, 5869840), (80, 4769245), (100, 3815396), (104, 3668650), (130, 2934920), (200, 1907698), (208, 1834325), (239, 1596400), (260, 1467460), (307, 1242800), (325, 1173968), (400, 953849), (478, 798200), (520, 733730), (614, 621400), (650, 586984), (956, 399100), (1040, 366865), (1195, 319280), (1228, 310700), (1300, 293492), (1535, 248560), (1912, 199550), (2390, 159640), (2456, 155350), (2600, 146746), (3070, 124280), (3107, 122800), (3824, 99775), (3991, 95600), (4780, 79820), (4912, 77675), (5200, 73373), (5975, 63856), (6140, 62140), (6214, 61400), (7675, 49712), (7982, 47800), (9560, 39910), (11950, 31928), (12280, 31070), (12428, 30700), (15350, 24856), (15535, 24560), (15964, 23900), (19120, 19955)]