97793980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 211861440

約数和(自身を除く): 114067460

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 710, 1129, 1220, 1420, 2258, 4331, 4516, 5645, 8662, 11290, 17324, 21655, 22580, 43310, 68869, 80159, 86620, 137738, 160318, 275476, 320636, 344345, 400795, 688690, 801590, 1377380, 1603180, 4889699, 9779398, 19558796, 24448495, 48896990, 97793980]

約数ペア:

[(1, 97793980), (2, 48896990), (4, 24448495), (5, 19558796), (10, 9779398), (20, 4889699), (61, 1603180), (71, 1377380), (122, 801590), (142, 688690), (244, 400795), (284, 344345), (305, 320636), (355, 275476), (610, 160318), (710, 137738), (1129, 86620), (1220, 80159), (1420, 68869), (2258, 43310), (4331, 22580), (4516, 21655), (5645, 17324), (8662, 11290)]