634802920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 1552320000

約数和(自身を除く): 917517080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 97, 109, 152, 158, 190, 194, 218, 316, 380, 388, 395, 436, 485, 545, 632, 760, 776, 790, 872, 970, 1090, 1501, 1580, 1843, 1940, 2071, 2180, 3002, 3160, 3686, 3880, 4142, 4360, 6004, 7372, 7505, 7663, 8284, 8611, 9215, 10355, 10573, 12008, 14744, 15010, 15326, 16568, 17222, 18430, 20710, 21146, 30020, 30652, 34444, 36860, 38315, 41420, 42292, 43055, 52865, 60040, 61304, 68888, 73720, 76630, 82840, 84584, 86110, 105730, 145597, 153260, 163609, 172220, 200887, 211460, 291194, 306520, 327218, 344440, 401774, 422920, 582388, 654436, 727985, 803548, 818045, 835267, 1004435, 1164776, 1308872, 1455970, 1607096, 1636090, 1670534, 2008870, 2911940, 3272180, 3341068, 4017740, 4176335, 5823880, 6544360, 6682136, 8035480, 8352670, 15870073, 16705340, 31740146, 33410680, 63480292, 79350365, 126960584, 158700730, 317401460, 634802920]

約数ペア:

[(1, 634802920), (2, 317401460), (4, 158700730), (5, 126960584), (8, 79350365), (10, 63480292), (19, 33410680), (20, 31740146), (38, 16705340), (40, 15870073), (76, 8352670), (79, 8035480), (95, 6682136), (97, 6544360), (109, 5823880), (152, 4176335), (158, 4017740), (190, 3341068), (194, 3272180), (218, 2911940), (316, 2008870), (380, 1670534), (388, 1636090), (395, 1607096), (436, 1455970), (485, 1308872), (545, 1164776), (632, 1004435), (760, 835267), (776, 818045), (790, 803548), (872, 727985), (970, 654436), (1090, 582388), (1501, 422920), (1580, 401774), (1843, 344440), (1940, 327218), (2071, 306520), (2180, 291194), (3002, 211460), (3160, 200887), (3686, 172220), (3880, 163609), (4142, 153260), (4360, 145597), (6004, 105730), (7372, 86110), (7505, 84584), (7663, 82840), (8284, 76630), (8611, 73720), (9215, 68888), (10355, 61304), (10573, 60040), (12008, 52865), (14744, 43055), (15010, 42292), (15326, 41420), (16568, 38315), (17222, 36860), (18430, 34444), (20710, 30652), (21146, 30020)]