1897876420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{661}}^1$

素因数の和:1133

約数の個数: 96

約数和(自身を含む): 4505582592

約数和(自身を除く): 2607706172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 421, 620, 661, 682, 842, 1322, 1364, 1684, 1705, 2105, 2644, 3305, 3410, 4210, 4631, 6610, 6820, 7271, 8420, 9262, 13051, 13220, 14542, 18524, 20491, 23155, 26102, 29084, 36355, 40982, 46310, 52204, 65255, 72710, 81964, 92620, 102455, 130510, 143561, 145420, 204910, 225401, 261020, 278281, 287122, 409820, 450802, 556562, 574244, 717805, 901604, 1113124, 1127005, 1391405, 1435610, 2254010, 2782810, 2871220, 3061091, 4508020, 5565620, 6122182, 8626711, 12244364, 15305455, 17253422, 30610910, 34506844, 43133555, 61221820, 86267110, 94893821, 172534220, 189787642, 379575284, 474469105, 948938210, 1897876420]

約数ペア:

[(1, 1897876420), (2, 948938210), (4, 474469105), (5, 379575284), (10, 189787642), (11, 172534220), (20, 94893821), (22, 86267110), (31, 61221820), (44, 43133555), (55, 34506844), (62, 30610910), (110, 17253422), (124, 15305455), (155, 12244364), (220, 8626711), (310, 6122182), (341, 5565620), (421, 4508020), (620, 3061091), (661, 2871220), (682, 2782810), (842, 2254010), (1322, 1435610), (1364, 1391405), (1684, 1127005), (1705, 1113124), (2105, 901604), (2644, 717805), (3305, 574244), (3410, 556562), (4210, 450802), (4631, 409820), (6610, 287122), (6820, 278281), (7271, 261020), (8420, 225401), (9262, 204910), (13051, 145420), (13220, 143561), (14542, 130510), (18524, 102455), (20491, 92620), (23155, 81964), (26102, 72710), (29084, 65255), (36355, 52204), (40982, 46310)]