289441060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{4561}}^1$

素因数の和:4756

約数の個数: 48

約数和(自身を含む): 643789440

約数和(自身を除く): 354348380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 668, 835, 1670, 3173, 3340, 4561, 6346, 9122, 12692, 15865, 18244, 22805, 31730, 45610, 63460, 86659, 91220, 173318, 346636, 433295, 761687, 866590, 1523374, 1733180, 3046748, 3808435, 7616870, 14472053, 15233740, 28944106, 57888212, 72360265, 144720530, 289441060]

約数ペア:

[(1, 289441060), (2, 144720530), (4, 72360265), (5, 57888212), (10, 28944106), (19, 15233740), (20, 14472053), (38, 7616870), (76, 3808435), (95, 3046748), (167, 1733180), (190, 1523374), (334, 866590), (380, 761687), (668, 433295), (835, 346636), (1670, 173318), (3173, 91220), (3340, 86659), (4561, 63460), (6346, 45610), (9122, 31730), (12692, 22805), (15865, 18244)]