405475580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 930908160

約数和(自身を除く): 525432580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 73, 76, 94, 95, 146, 188, 190, 235, 292, 311, 365, 380, 470, 622, 730, 893, 940, 1244, 1387, 1460, 1555, 1786, 2774, 3110, 3431, 3572, 4465, 5548, 5909, 6220, 6862, 6935, 8930, 11818, 13724, 13870, 14617, 17155, 17860, 22703, 23636, 27740, 29234, 29545, 34310, 45406, 58468, 59090, 65189, 68620, 73085, 90812, 113515, 118180, 130378, 146170, 227030, 260756, 277723, 292340, 325945, 431357, 454060, 555446, 651890, 862714, 1067041, 1110892, 1303780, 1388615, 1725428, 2134082, 2156785, 2777230, 4268164, 4313570, 5335205, 5554460, 8627140, 10670410, 20273779, 21340820, 40547558, 81095116, 101368895, 202737790, 405475580]

約数ペア:

[(1, 405475580), (2, 202737790), (4, 101368895), (5, 81095116), (10, 40547558), (19, 21340820), (20, 20273779), (38, 10670410), (47, 8627140), (73, 5554460), (76, 5335205), (94, 4313570), (95, 4268164), (146, 2777230), (188, 2156785), (190, 2134082), (235, 1725428), (292, 1388615), (311, 1303780), (365, 1110892), (380, 1067041), (470, 862714), (622, 651890), (730, 555446), (893, 454060), (940, 431357), (1244, 325945), (1387, 292340), (1460, 277723), (1555, 260756), (1786, 227030), (2774, 146170), (3110, 130378), (3431, 118180), (3572, 113515), (4465, 90812), (5548, 73085), (5909, 68620), (6220, 65189), (6862, 59090), (6935, 58468), (8930, 45406), (11818, 34310), (13724, 29545), (13870, 29234), (14617, 27740), (17155, 23636), (17860, 22703)]