1788897620

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{619}}^1\times {\mathrm{631}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 3785174400

約数和(自身を除く): 1996276780

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 619, 631, 916, 1145, 1238, 1262, 2290, 2476, 2524, 3095, 3155, 4580, 6190, 6310, 12380, 12620, 141751, 144499, 283502, 288998, 390589, 567004, 577996, 708755, 722495, 781178, 1417510, 1444990, 1562356, 1952945, 2835020, 2889980, 3905890, 7811780, 89444881, 178889762, 357779524, 447224405, 894448810, 1788897620]

約数ペア:

[(1, 1788897620), (2, 894448810), (4, 447224405), (5, 357779524), (10, 178889762), (20, 89444881), (229, 7811780), (458, 3905890), (619, 2889980), (631, 2835020), (916, 1952945), (1145, 1562356), (1238, 1444990), (1262, 1417510), (2290, 781178), (2476, 722495), (2524, 708755), (3095, 577996), (3155, 567004), (4580, 390589), (6190, 288998), (6310, 283502), (12380, 144499), (12620, 141751)]