4920502015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1223}}^1$

素因数の和:1600

約数の個数: 64

約数和(自身を含む): 7373140992

約数和(自身を除く): 2452638977

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 331, 715, 935, 1105, 1223, 1655, 2431, 3641, 4303, 5627, 6115, 12155, 13453, 15899, 18205, 20791, 21515, 28135, 47333, 61897, 67265, 73151, 79495, 103955, 174889, 228701, 236665, 270283, 309485, 365755, 404813, 804661, 874445, 1143505, 1351415, 2024065, 2973113, 4023305, 4452943, 5262569, 6881821, 14865565, 22264715, 26312845, 34409105, 57888259, 75700031, 89463673, 289441295, 378500155, 447318365, 984100403, 4920502015]

約数ペア:

[(1, 4920502015), (5, 984100403), (11, 447318365), (13, 378500155), (17, 289441295), (55, 89463673), (65, 75700031), (85, 57888259), (143, 34409105), (187, 26312845), (221, 22264715), (331, 14865565), (715, 6881821), (935, 5262569), (1105, 4452943), (1223, 4023305), (1655, 2973113), (2431, 2024065), (3641, 1351415), (4303, 1143505), (5627, 874445), (6115, 804661), (12155, 404813), (13453, 365755), (15899, 309485), (18205, 270283), (20791, 236665), (21515, 228701), (28135, 174889), (47333, 103955), (61897, 79495), (67265, 73151)]