211379080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15497}}^1$

素因数の和:15550

約数の個数: 64

約数和(自身を含む): 535610880

約数和(自身を除く): 324231800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 15497, 30994, 61988, 77485, 123976, 154970, 170467, 309940, 340934, 480407, 619880, 681868, 852335, 960814, 1363736, 1704670, 1921628, 2402035, 3409340, 3843256, 4804070, 5284477, 6818680, 9608140, 10568954, 19216280, 21137908, 26422385, 42275816, 52844770, 105689540, 211379080]

約数ペア:

[(1, 211379080), (2, 105689540), (4, 52844770), (5, 42275816), (8, 26422385), (10, 21137908), (11, 19216280), (20, 10568954), (22, 9608140), (31, 6818680), (40, 5284477), (44, 4804070), (55, 3843256), (62, 3409340), (88, 2402035), (110, 1921628), (124, 1704670), (155, 1363736), (220, 960814), (248, 852335), (310, 681868), (341, 619880), (440, 480407), (620, 340934), (682, 309940), (1240, 170467), (1364, 154970), (1705, 123976), (2728, 77485), (3410, 61988), (6820, 30994), (13640, 15497)]