85280690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 175426560

約数和(自身を除く): 90145870

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 89, 110, 155, 178, 281, 310, 341, 445, 562, 682, 890, 979, 1405, 1705, 1958, 2759, 2810, 3091, 3410, 4895, 5518, 6182, 8711, 9790, 13795, 15455, 17422, 25009, 27590, 30349, 30910, 43555, 50018, 60698, 87110, 95821, 125045, 151745, 191642, 250090, 275099, 303490, 479105, 550198, 775279, 958210, 1375495, 1550558, 2750990, 3876395, 7752790, 8528069, 17056138, 42640345, 85280690]

約数ペア:

[(1, 85280690), (2, 42640345), (5, 17056138), (10, 8528069), (11, 7752790), (22, 3876395), (31, 2750990), (55, 1550558), (62, 1375495), (89, 958210), (110, 775279), (155, 550198), (178, 479105), (281, 303490), (310, 275099), (341, 250090), (445, 191642), (562, 151745), (682, 125045), (890, 95821), (979, 87110), (1405, 60698), (1705, 50018), (1958, 43555), (2759, 30910), (2810, 30349), (3091, 27590), (3410, 25009), (4895, 17422), (5518, 15455), (6182, 13795), (8711, 9790)]