2492778820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{574373}}^1$

素因数の和:574420

約数の個数: 48

約数和(自身を含む): 6175669248

約数和(自身を除く): 3682890428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 574373, 1148746, 2297492, 2871865, 4020611, 5743730, 8041222, 11487460, 16082444, 17805563, 20103055, 35611126, 40206110, 71222252, 80412220, 89027815, 124638941, 178055630, 249277882, 356111260, 498555764, 623194705, 1246389410, 2492778820]

約数ペア:

[(1, 2492778820), (2, 1246389410), (4, 623194705), (5, 498555764), (7, 356111260), (10, 249277882), (14, 178055630), (20, 124638941), (28, 89027815), (31, 80412220), (35, 71222252), (62, 40206110), (70, 35611126), (124, 20103055), (140, 17805563), (155, 16082444), (217, 11487460), (310, 8041222), (434, 5743730), (620, 4020611), (868, 2871865), (1085, 2297492), (2170, 1148746), (4340, 574373)]