2378440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 5415480

約数和(自身を除く): 3037040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 613, 776, 970, 1226, 1940, 2452, 3065, 3880, 4904, 6130, 12260, 24520, 59461, 118922, 237844, 297305, 475688, 594610, 1189220, 2378440]

約数ペア:

[(1, 2378440), (2, 1189220), (4, 594610), (5, 475688), (8, 297305), (10, 237844), (20, 118922), (40, 59461), (97, 24520), (194, 12260), (388, 6130), (485, 4904), (613, 3880), (776, 3065), (970, 2452), (1226, 1940)]