305850440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1913}}^1$

素因数の和:2502

約数の個数: 64

約数和(自身を含む): 788261760

約数和(自身を除く): 482411320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 571, 1142, 1913, 2284, 2855, 3826, 3997, 4568, 5710, 7652, 7994, 9565, 11420, 13391, 15304, 15988, 19130, 19985, 22840, 26782, 31976, 38260, 39970, 53564, 66955, 76520, 79940, 107128, 133910, 159880, 267820, 535640, 1092323, 2184646, 4369292, 5461615, 7646261, 8738584, 10923230, 15292522, 21846460, 30585044, 38231305, 43692920, 61170088, 76462610, 152925220, 305850440]

約数ペア:

[(1, 305850440), (2, 152925220), (4, 76462610), (5, 61170088), (7, 43692920), (8, 38231305), (10, 30585044), (14, 21846460), (20, 15292522), (28, 10923230), (35, 8738584), (40, 7646261), (56, 5461615), (70, 4369292), (140, 2184646), (280, 1092323), (571, 535640), (1142, 267820), (1913, 159880), (2284, 133910), (2855, 107128), (3826, 79940), (3997, 76520), (4568, 66955), (5710, 53564), (7652, 39970), (7994, 38260), (9565, 31976), (11420, 26782), (13391, 22840), (15304, 19985), (15988, 19130)]