775261520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{283}}^2$

素因数の和:601

約数の個数: 90

約数和(自身を含む): 1988267274

約数和(自身を除く): 1213005754

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 283, 440, 484, 566, 605, 880, 968, 1132, 1210, 1415, 1936, 2264, 2420, 2830, 3113, 4528, 4840, 5660, 6226, 9680, 11320, 12452, 15565, 22640, 24904, 31130, 34243, 49808, 62260, 68486, 80089, 124520, 136972, 160178, 171215, 249040, 273944, 320356, 342430, 400445, 547888, 640712, 684860, 800890, 880979, 1281424, 1369720, 1601780, 1761958, 2739440, 3203560, 3523916, 4404895, 6407120, 7047832, 8809790, 9690769, 14095664, 17619580, 19381538, 35239160, 38763076, 48453845, 70478320, 77526152, 96907690, 155052304, 193815380, 387630760, 775261520]

約数ペア:

[(1, 775261520), (2, 387630760), (4, 193815380), (5, 155052304), (8, 96907690), (10, 77526152), (11, 70478320), (16, 48453845), (20, 38763076), (22, 35239160), (40, 19381538), (44, 17619580), (55, 14095664), (80, 9690769), (88, 8809790), (110, 7047832), (121, 6407120), (176, 4404895), (220, 3523916), (242, 3203560), (283, 2739440), (440, 1761958), (484, 1601780), (566, 1369720), (605, 1281424), (880, 880979), (968, 800890), (1132, 684860), (1210, 640712), (1415, 547888), (1936, 400445), (2264, 342430), (2420, 320356), (2830, 273944), (3113, 249040), (4528, 171215), (4840, 160178), (5660, 136972), (6226, 124520), (9680, 80089), (11320, 68486), (12452, 62260), (15565, 49808), (22640, 34243), (24904, 31130)]