71931020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2583

約数の個数: 72

約数和(自身を含む): 181848240

約数和(自身を除く): 109917220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2531, 2842, 4060, 5062, 5684, 7105, 10124, 12655, 14210, 17717, 25310, 28420, 35434, 50620, 70868, 73399, 88585, 124019, 146798, 177170, 248038, 293596, 354340, 366995, 496076, 513793, 620095, 733990, 1027586, 1240190, 1467980, 2055172, 2480380, 2568965, 3596551, 5137930, 7193102, 10275860, 14386204, 17982755, 35965510, 71931020]

約数ペア:

[(1, 71931020), (2, 35965510), (4, 17982755), (5, 14386204), (7, 10275860), (10, 7193102), (14, 5137930), (20, 3596551), (28, 2568965), (29, 2480380), (35, 2055172), (49, 1467980), (58, 1240190), (70, 1027586), (98, 733990), (116, 620095), (140, 513793), (145, 496076), (196, 366995), (203, 354340), (245, 293596), (290, 248038), (406, 177170), (490, 146798), (580, 124019), (812, 88585), (980, 73399), (1015, 70868), (1421, 50620), (2030, 35434), (2531, 28420), (2842, 25310), (4060, 17717), (5062, 14210), (5684, 12655), (7105, 10124)]