209901736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 440352000

約数和(自身を除く): 230450264

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 109, 158, 218, 277, 316, 436, 554, 632, 869, 872, 1108, 1199, 1738, 2216, 2398, 3047, 3476, 4796, 6094, 6952, 8611, 9592, 12188, 17222, 21883, 24376, 30193, 34444, 43766, 60386, 68888, 87532, 94721, 120772, 175064, 189442, 240713, 241544, 332123, 378884, 481426, 664246, 757768, 962852, 1328492, 1925704, 2385247, 2656984, 4770494, 9540988, 19081976, 26237717, 52475434, 104950868, 209901736]

約数ペア:

[(1, 209901736), (2, 104950868), (4, 52475434), (8, 26237717), (11, 19081976), (22, 9540988), (44, 4770494), (79, 2656984), (88, 2385247), (109, 1925704), (158, 1328492), (218, 962852), (277, 757768), (316, 664246), (436, 481426), (554, 378884), (632, 332123), (869, 241544), (872, 240713), (1108, 189442), (1199, 175064), (1738, 120772), (2216, 94721), (2398, 87532), (3047, 68888), (3476, 60386), (4796, 43766), (6094, 34444), (6952, 30193), (8611, 24376), (9592, 21883), (12188, 17222)]