77839940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1279}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 174182400

約数和(自身を除く): 96342460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 179, 340, 358, 716, 895, 1279, 1790, 2558, 3043, 3580, 5116, 6086, 6395, 12172, 12790, 15215, 21743, 25580, 30430, 43486, 60860, 86972, 108715, 217430, 228941, 434860, 457882, 915764, 1144705, 2289410, 3891997, 4578820, 7783994, 15567988, 19459985, 38919970, 77839940]

約数ペア:

[(1, 77839940), (2, 38919970), (4, 19459985), (5, 15567988), (10, 7783994), (17, 4578820), (20, 3891997), (34, 2289410), (68, 1144705), (85, 915764), (170, 457882), (179, 434860), (340, 228941), (358, 217430), (716, 108715), (895, 86972), (1279, 60860), (1790, 43486), (2558, 30430), (3043, 25580), (3580, 21743), (5116, 15215), (6086, 12790), (6395, 12172)]