90568940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2557}}^1$

素因数の和:2607

約数の個数: 96

約数和(自身を含む): 247532544

約数和(自身を除く): 156963604

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 644, 770, 805, 1012, 1265, 1540, 1610, 1771, 2530, 2557, 3220, 3542, 5060, 5114, 7084, 8855, 10228, 12785, 17710, 17899, 25570, 28127, 35420, 35798, 51140, 56254, 58811, 71596, 89495, 112508, 117622, 140635, 178990, 196889, 235244, 281270, 294055, 357980, 393778, 411677, 562540, 588110, 646921, 787556, 823354, 984445, 1176220, 1293842, 1646708, 1968890, 2058385, 2587684, 3234605, 3937780, 4116770, 4528447, 6469210, 8233540, 9056894, 12938420, 18113788, 22642235, 45284470, 90568940]

約数ペア:

[(1, 90568940), (2, 45284470), (4, 22642235), (5, 18113788), (7, 12938420), (10, 9056894), (11, 8233540), (14, 6469210), (20, 4528447), (22, 4116770), (23, 3937780), (28, 3234605), (35, 2587684), (44, 2058385), (46, 1968890), (55, 1646708), (70, 1293842), (77, 1176220), (92, 984445), (110, 823354), (115, 787556), (140, 646921), (154, 588110), (161, 562540), (220, 411677), (230, 393778), (253, 357980), (308, 294055), (322, 281270), (385, 235244), (460, 196889), (506, 178990), (644, 140635), (770, 117622), (805, 112508), (1012, 89495), (1265, 71596), (1540, 58811), (1610, 56254), (1771, 51140), (2530, 35798), (2557, 35420), (3220, 28127), (3542, 25570), (5060, 17899), (5114, 17710), (7084, 12785), (8855, 10228)]