28460890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 30325670

約数列:

[1, 2, 5, 10, 17, 23, 29, 34, 46, 58, 85, 115, 145, 170, 230, 251, 290, 391, 493, 502, 667, 782, 986, 1255, 1334, 1955, 2465, 2510, 3335, 3910, 4267, 4930, 5773, 6670, 7279, 8534, 11339, 11546, 14558, 21335, 22678, 28865, 36395, 42670, 56695, 57730, 72790, 98141, 113390, 123743, 167417, 196282, 247486, 334834, 490705, 618715, 837085, 981410, 1237430, 1674170, 2846089, 5692178, 14230445, 28460890]

約数ペア:

[(1, 28460890), (2, 14230445), (5, 5692178), (10, 2846089), (17, 1674170), (23, 1237430), (29, 981410), (34, 837085), (46, 618715), (58, 490705), (85, 334834), (115, 247486), (145, 196282), (170, 167417), (230, 123743), (251, 113390), (290, 98141), (391, 72790), (493, 57730), (502, 56695), (667, 42670), (782, 36395), (986, 28865), (1255, 22678), (1334, 21335), (1955, 14558), (2465, 11546), (2510, 11339), (3335, 8534), (3910, 7279), (4267, 6670), (4930, 5773)]