69907420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1613}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 161064288

約数和(自身を除く): 91156868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1613, 1970, 2167, 3226, 3940, 4334, 6452, 8065, 8668, 10835, 16130, 17743, 21670, 32260, 35486, 43340, 70972, 88715, 177430, 317761, 354860, 635522, 1271044, 1588805, 3177610, 3495371, 6355220, 6990742, 13981484, 17476855, 34953710, 69907420]

約数ペア:

[(1, 69907420), (2, 34953710), (4, 17476855), (5, 13981484), (10, 6990742), (11, 6355220), (20, 3495371), (22, 3177610), (44, 1588805), (55, 1271044), (110, 635522), (197, 354860), (220, 317761), (394, 177430), (788, 88715), (985, 70972), (1613, 43340), (1970, 35486), (2167, 32260), (3226, 21670), (3940, 17743), (4334, 16130), (6452, 10835), (8065, 8668)]