2783434780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1429}}^1\times {\mathrm{13913}}^1$

素因数の和:15358

約数の個数: 48

約数和(自身を含む): 6685398720

約数和(自身を除く): 3901963940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1429, 2858, 5716, 7145, 10003, 13913, 14290, 20006, 27826, 28580, 40012, 50015, 55652, 69565, 97391, 100030, 139130, 194782, 200060, 278260, 389564, 486955, 973910, 1947820, 19881677, 39763354, 79526708, 99408385, 139171739, 198816770, 278343478, 397633540, 556686956, 695858695, 1391717390, 2783434780]

約数ペア:

[(1, 2783434780), (2, 1391717390), (4, 695858695), (5, 556686956), (7, 397633540), (10, 278343478), (14, 198816770), (20, 139171739), (28, 99408385), (35, 79526708), (70, 39763354), (140, 19881677), (1429, 1947820), (2858, 973910), (5716, 486955), (7145, 389564), (10003, 278260), (13913, 200060), (14290, 194782), (20006, 139130), (27826, 100030), (28580, 97391), (40012, 69565), (50015, 55652)]