209474460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89519}}^1$

素因数の和:89547

約数の個数: 72

約数和(自身を含む): 684290880

約数和(自身を除く): 474816420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 89519, 179038, 268557, 358076, 447595, 537114, 805671, 895190, 1074228, 1163747, 1342785, 1611342, 1790380, 2327494, 2685570, 3222684, 3491241, 4028355, 4654988, 5371140, 5818735, 6982482, 8056710, 10473723, 11637470, 13964964, 16113420, 17456205, 20947446, 23274940, 34912410, 41894892, 52368615, 69824820, 104737230, 209474460]

約数ペア:

[(1, 209474460), (2, 104737230), (3, 69824820), (4, 52368615), (5, 41894892), (6, 34912410), (9, 23274940), (10, 20947446), (12, 17456205), (13, 16113420), (15, 13964964), (18, 11637470), (20, 10473723), (26, 8056710), (30, 6982482), (36, 5818735), (39, 5371140), (45, 4654988), (52, 4028355), (60, 3491241), (65, 3222684), (78, 2685570), (90, 2327494), (117, 1790380), (130, 1611342), (156, 1342785), (180, 1163747), (195, 1074228), (234, 895190), (260, 805671), (390, 537114), (468, 447595), (585, 358076), (780, 268557), (1170, 179038), (2340, 89519)]