85855550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:674

約数の個数: 72

約数和(自身を含む): 183457008

約数和(自身を除く): 97601458

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 121, 230, 242, 253, 275, 506, 550, 575, 605, 617, 1150, 1210, 1234, 1265, 2530, 2783, 3025, 3085, 5566, 6050, 6170, 6325, 6787, 12650, 13574, 13915, 14191, 15425, 27830, 28382, 30850, 33935, 67870, 69575, 70955, 74657, 139150, 141910, 149314, 156101, 169675, 312202, 339350, 354775, 373285, 709550, 746570, 780505, 1561010, 1717111, 1866425, 3434222, 3732850, 3902525, 7805050, 8585555, 17171110, 42927775, 85855550]

約数ペア:

[(1, 85855550), (2, 42927775), (5, 17171110), (10, 8585555), (11, 7805050), (22, 3902525), (23, 3732850), (25, 3434222), (46, 1866425), (50, 1717111), (55, 1561010), (110, 780505), (115, 746570), (121, 709550), (230, 373285), (242, 354775), (253, 339350), (275, 312202), (506, 169675), (550, 156101), (575, 149314), (605, 141910), (617, 139150), (1150, 74657), (1210, 70955), (1234, 69575), (1265, 67870), (2530, 33935), (2783, 30850), (3025, 28382), (3085, 27830), (5566, 15425), (6050, 14191), (6170, 13915), (6325, 13574), (6787, 12650)]