79980890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 166033152

約数和(自身を除く): 86052262

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 101, 110, 115, 202, 230, 253, 313, 505, 506, 626, 1010, 1111, 1265, 1565, 2222, 2323, 2530, 3130, 3443, 4646, 5555, 6886, 7199, 11110, 11615, 14398, 17215, 23230, 25553, 31613, 34430, 35995, 51106, 63226, 71990, 79189, 127765, 158065, 158378, 255530, 316130, 347743, 395945, 695486, 727099, 791890, 1454198, 1738715, 3477430, 3635495, 7270990, 7998089, 15996178, 39990445, 79980890]

約数ペア:

[(1, 79980890), (2, 39990445), (5, 15996178), (10, 7998089), (11, 7270990), (22, 3635495), (23, 3477430), (46, 1738715), (55, 1454198), (101, 791890), (110, 727099), (115, 695486), (202, 395945), (230, 347743), (253, 316130), (313, 255530), (505, 158378), (506, 158065), (626, 127765), (1010, 79189), (1111, 71990), (1265, 63226), (1565, 51106), (2222, 35995), (2323, 34430), (2530, 31613), (3130, 25553), (3443, 23230), (4646, 17215), (5555, 14398), (6886, 11615), (7199, 11110)]