913709620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{12589}}^1$

素因数の和:12808

約数の個数: 48

約数和(自身を含む): 2030515200

約数和(自身を除く): 1116805580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 3629, 3820, 7258, 12589, 14516, 18145, 25178, 36290, 50356, 62945, 72580, 125890, 239191, 251780, 478382, 956764, 1195955, 2391910, 2404499, 4783820, 4808998, 9617996, 12022495, 24044990, 45685481, 48089980, 91370962, 182741924, 228427405, 456854810, 913709620]

約数ペア:

[(1, 913709620), (2, 456854810), (4, 228427405), (5, 182741924), (10, 91370962), (19, 48089980), (20, 45685481), (38, 24044990), (76, 12022495), (95, 9617996), (190, 4808998), (191, 4783820), (380, 2404499), (382, 2391910), (764, 1195955), (955, 956764), (1910, 478382), (3629, 251780), (3820, 239191), (7258, 125890), (12589, 72580), (14516, 62945), (18145, 50356), (25178, 36290)]