78925810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 156499200

約数和(自身を除く): 77573390

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 103, 109, 185, 190, 206, 218, 370, 515, 545, 703, 1030, 1090, 1406, 1957, 2071, 3515, 3811, 3914, 4033, 4142, 7030, 7622, 8066, 9785, 10355, 11227, 19055, 19570, 20165, 20710, 22454, 38110, 40330, 56135, 72409, 76627, 112270, 144818, 153254, 213313, 362045, 383135, 415399, 426626, 724090, 766270, 830798, 1066565, 2076995, 2133130, 4153990, 7892581, 15785162, 39462905, 78925810]

約数ペア:

[(1, 78925810), (2, 39462905), (5, 15785162), (10, 7892581), (19, 4153990), (37, 2133130), (38, 2076995), (74, 1066565), (95, 830798), (103, 766270), (109, 724090), (185, 426626), (190, 415399), (206, 383135), (218, 362045), (370, 213313), (515, 153254), (545, 144818), (703, 112270), (1030, 76627), (1090, 72409), (1406, 56135), (1957, 40330), (2071, 38110), (3515, 22454), (3811, 20710), (3914, 20165), (4033, 19570), (4142, 19055), (7030, 11227), (7622, 10355), (8066, 9785)]