395913650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1123}}^1$

素因数の和:1787

約数の個数: 48

約数和(自身を含む): 805314528

約数和(自身を除く): 409400878

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 641, 1123, 1282, 2246, 3205, 5615, 6410, 7051, 11230, 12353, 14102, 16025, 24706, 28075, 32050, 35255, 56150, 61765, 70510, 123530, 176275, 308825, 352550, 617650, 719843, 1439686, 3599215, 7198430, 7918273, 15836546, 17996075, 35992150, 39591365, 79182730, 197956825, 395913650]

約数ペア:

[(1, 395913650), (2, 197956825), (5, 79182730), (10, 39591365), (11, 35992150), (22, 17996075), (25, 15836546), (50, 7918273), (55, 7198430), (110, 3599215), (275, 1439686), (550, 719843), (641, 617650), (1123, 352550), (1282, 308825), (2246, 176275), (3205, 123530), (5615, 70510), (6410, 61765), (7051, 56150), (11230, 35255), (12353, 32050), (14102, 28075), (16025, 24706)]