305225440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{146743}}^1$

素因数の和:146771

約数の個数: 48

約数和(自身を含む): 776569248

約数和(自身を除く): 471343808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 146743, 293486, 586972, 733715, 1173944, 1467430, 1907659, 2347888, 2934860, 3815318, 4695776, 5869720, 7630636, 9538295, 11739440, 15261272, 19076590, 23478880, 30522544, 38153180, 61045088, 76306360, 152612720, 305225440]

約数ペア:

[(1, 305225440), (2, 152612720), (4, 76306360), (5, 61045088), (8, 38153180), (10, 30522544), (13, 23478880), (16, 19076590), (20, 15261272), (26, 11739440), (32, 9538295), (40, 7630636), (52, 5869720), (65, 4695776), (80, 3815318), (104, 2934860), (130, 2347888), (160, 1907659), (208, 1467430), (260, 1173944), (416, 733715), (520, 586972), (1040, 293486), (2080, 146743)]