2912123920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{12203}}^1$

素因数の和:12392

約数の個数: 80

約数和(自身を含む): 7173023040

約数和(自身を除く): 4260899120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 157, 190, 304, 314, 380, 628, 760, 785, 1256, 1520, 1570, 2512, 2983, 3140, 5966, 6280, 11932, 12203, 12560, 14915, 23864, 24406, 29830, 47728, 48812, 59660, 61015, 97624, 119320, 122030, 195248, 231857, 238640, 244060, 463714, 488120, 927428, 976240, 1159285, 1854856, 1915871, 2318570, 3709712, 3831742, 4637140, 7663484, 9274280, 9579355, 15326968, 18548560, 19158710, 30653936, 36401549, 38317420, 72803098, 76634840, 145606196, 153269680, 182007745, 291212392, 364015490, 582424784, 728030980, 1456061960, 2912123920]

約数ペア:

[(1, 2912123920), (2, 1456061960), (4, 728030980), (5, 582424784), (8, 364015490), (10, 291212392), (16, 182007745), (19, 153269680), (20, 145606196), (38, 76634840), (40, 72803098), (76, 38317420), (80, 36401549), (95, 30653936), (152, 19158710), (157, 18548560), (190, 15326968), (304, 9579355), (314, 9274280), (380, 7663484), (628, 4637140), (760, 3831742), (785, 3709712), (1256, 2318570), (1520, 1915871), (1570, 1854856), (2512, 1159285), (2983, 976240), (3140, 927428), (5966, 488120), (6280, 463714), (11932, 244060), (12203, 238640), (12560, 231857), (14915, 195248), (23864, 122030), (24406, 119320), (29830, 97624), (47728, 61015), (48812, 59660)]