163344020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16433}}^1$

素因数の和:16520

約数の個数: 48

約数和(自身を含む): 397571328

約数和(自身を除く): 234227308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 16433, 32866, 65732, 82165, 115031, 164330, 230062, 328660, 460124, 575155, 1150310, 1166743, 2300620, 2333486, 4666972, 5833715, 8167201, 11667430, 16334402, 23334860, 32668804, 40836005, 81672010, 163344020]

約数ペア:

[(1, 163344020), (2, 81672010), (4, 40836005), (5, 32668804), (7, 23334860), (10, 16334402), (14, 11667430), (20, 8167201), (28, 5833715), (35, 4666972), (70, 2333486), (71, 2300620), (140, 1166743), (142, 1150310), (284, 575155), (355, 460124), (497, 328660), (710, 230062), (994, 164330), (1420, 115031), (1988, 82165), (2485, 65732), (4970, 32866), (9940, 16433)]