128465350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:722

約数の個数: 72

約数和(自身を含む): 270397872

約数和(自身を除く): 141932522

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 169, 230, 299, 325, 338, 575, 598, 650, 661, 845, 1150, 1322, 1495, 1690, 2990, 3305, 3887, 4225, 6610, 7475, 7774, 8450, 8593, 14950, 15203, 16525, 17186, 19435, 30406, 33050, 38870, 42965, 76015, 85930, 97175, 111709, 152030, 194350, 197639, 214825, 223418, 380075, 395278, 429650, 558545, 760150, 988195, 1117090, 1976390, 2569307, 2792725, 4940975, 5138614, 5585450, 9881950, 12846535, 25693070, 64232675, 128465350]

約数ペア:

[(1, 128465350), (2, 64232675), (5, 25693070), (10, 12846535), (13, 9881950), (23, 5585450), (25, 5138614), (26, 4940975), (46, 2792725), (50, 2569307), (65, 1976390), (115, 1117090), (130, 988195), (169, 760150), (230, 558545), (299, 429650), (325, 395278), (338, 380075), (575, 223418), (598, 214825), (650, 197639), (661, 194350), (845, 152030), (1150, 111709), (1322, 97175), (1495, 85930), (1690, 76015), (2990, 42965), (3305, 38870), (3887, 33050), (4225, 30406), (6610, 19435), (7475, 17186), (7774, 16525), (8450, 15203), (8593, 14950)]