280657624

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{12211}}^1$

素因数の和:12260

約数の個数: 48

約数和(自身を含む): 603394920

約数和(自身を除く): 322737296

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 676, 884, 1352, 1768, 2873, 5746, 11492, 12211, 22984, 24422, 48844, 97688, 158743, 207587, 317486, 415174, 634972, 830348, 1269944, 1660696, 2063659, 2698631, 4127318, 5397262, 8254636, 10794524, 16509272, 21589048, 35082203, 70164406, 140328812, 280657624]

約数ペア:

[(1, 280657624), (2, 140328812), (4, 70164406), (8, 35082203), (13, 21589048), (17, 16509272), (26, 10794524), (34, 8254636), (52, 5397262), (68, 4127318), (104, 2698631), (136, 2063659), (169, 1660696), (221, 1269944), (338, 830348), (442, 634972), (676, 415174), (884, 317486), (1352, 207587), (1768, 158743), (2873, 97688), (5746, 48844), (11492, 24422), (12211, 22984)]