390840560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{14327}}^1$

素因数の和:14382

約数の個数: 80

約数和(自身を含む): 1023363072

約数和(自身を除く): 632522512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 14327, 27280, 28654, 57308, 71635, 114616, 143270, 157597, 229232, 286540, 315194, 444137, 573080, 630388, 787985, 888274, 1146160, 1260776, 1575970, 1776548, 2220685, 2521552, 3151940, 3553096, 4441370, 4885507, 6303880, 7106192, 8882740, 9771014, 12607760, 17765480, 19542028, 24427535, 35530960, 39084056, 48855070, 78168112, 97710140, 195420280, 390840560]

約数ペア:

[(1, 390840560), (2, 195420280), (4, 97710140), (5, 78168112), (8, 48855070), (10, 39084056), (11, 35530960), (16, 24427535), (20, 19542028), (22, 17765480), (31, 12607760), (40, 9771014), (44, 8882740), (55, 7106192), (62, 6303880), (80, 4885507), (88, 4441370), (110, 3553096), (124, 3151940), (155, 2521552), (176, 2220685), (220, 1776548), (248, 1575970), (310, 1260776), (341, 1146160), (440, 888274), (496, 787985), (620, 630388), (682, 573080), (880, 444137), (1240, 315194), (1364, 286540), (1705, 229232), (2480, 157597), (2728, 143270), (3410, 114616), (5456, 71635), (6820, 57308), (13640, 28654), (14327, 27280)]