91408900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3613}}^1$

素因数の和:3661

約数の個数: 72

約数和(自身を含む): 225860544

約数和(自身を除く): 134451644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1265, 2300, 2530, 3613, 5060, 6325, 7226, 12650, 14452, 18065, 25300, 36130, 39743, 72260, 79486, 83099, 90325, 158972, 166198, 180650, 198715, 332396, 361300, 397430, 415495, 794860, 830990, 914089, 993575, 1661980, 1828178, 1987150, 2077475, 3656356, 3974300, 4154950, 4570445, 8309900, 9140890, 18281780, 22852225, 45704450, 91408900]

約数ペア:

[(1, 91408900), (2, 45704450), (4, 22852225), (5, 18281780), (10, 9140890), (11, 8309900), (20, 4570445), (22, 4154950), (23, 3974300), (25, 3656356), (44, 2077475), (46, 1987150), (50, 1828178), (55, 1661980), (92, 993575), (100, 914089), (110, 830990), (115, 794860), (220, 415495), (230, 397430), (253, 361300), (275, 332396), (460, 198715), (506, 180650), (550, 166198), (575, 158972), (1012, 90325), (1100, 83099), (1150, 79486), (1265, 72260), (2300, 39743), (2530, 36130), (3613, 25300), (5060, 18065), (6325, 14452), (7226, 12650)]