187810520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1123}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 438225120

約数和(自身を除く): 250414600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 113, 148, 185, 226, 296, 370, 452, 565, 740, 904, 1123, 1130, 1480, 2246, 2260, 4181, 4492, 4520, 5615, 8362, 8984, 11230, 16724, 20905, 22460, 33448, 41551, 41810, 44920, 83102, 83620, 126899, 166204, 167240, 207755, 253798, 332408, 415510, 507596, 634495, 831020, 1015192, 1268990, 1662040, 2537980, 4695263, 5075960, 9390526, 18781052, 23476315, 37562104, 46952630, 93905260, 187810520]

約数ペア:

[(1, 187810520), (2, 93905260), (4, 46952630), (5, 37562104), (8, 23476315), (10, 18781052), (20, 9390526), (37, 5075960), (40, 4695263), (74, 2537980), (113, 1662040), (148, 1268990), (185, 1015192), (226, 831020), (296, 634495), (370, 507596), (452, 415510), (565, 332408), (740, 253798), (904, 207755), (1123, 167240), (1130, 166204), (1480, 126899), (2246, 83620), (2260, 83102), (4181, 44920), (4492, 41810), (4520, 41551), (5615, 33448), (8362, 22460), (8984, 20905), (11230, 16724)]