2040803780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{7331}}^1$

素因数の和:7820

約数の個数: 48

約数和(自身を含む): 4434393600

約数和(自身を除く): 2393589820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 449, 620, 898, 1796, 2245, 4490, 7331, 8980, 13919, 14662, 27838, 29324, 36655, 55676, 69595, 73310, 139190, 146620, 227261, 278380, 454522, 909044, 1136305, 2272610, 3291619, 4545220, 6583238, 13166476, 16458095, 32916190, 65832380, 102040189, 204080378, 408160756, 510200945, 1020401890, 2040803780]

約数ペア:

[(1, 2040803780), (2, 1020401890), (4, 510200945), (5, 408160756), (10, 204080378), (20, 102040189), (31, 65832380), (62, 32916190), (124, 16458095), (155, 13166476), (310, 6583238), (449, 4545220), (620, 3291619), (898, 2272610), (1796, 1136305), (2245, 909044), (4490, 454522), (7331, 278380), (8980, 227261), (13919, 146620), (14662, 139190), (27838, 73310), (29324, 69595), (36655, 55676)]