285772880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:1012

約数の個数: 80

約数和(自身を含む): 691622400

約数和(自身を除く): 405849520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 248, 278, 310, 496, 556, 620, 695, 829, 1112, 1240, 1390, 1658, 2224, 2480, 2780, 3316, 4145, 4309, 5560, 6632, 8290, 8618, 11120, 13264, 16580, 17236, 21545, 25699, 33160, 34472, 43090, 51398, 66320, 68944, 86180, 102796, 115231, 128495, 172360, 205592, 230462, 256990, 344720, 411184, 460924, 513980, 576155, 921848, 1027960, 1152310, 1843696, 2055920, 2304620, 3572161, 4609240, 7144322, 9218480, 14288644, 17860805, 28577288, 35721610, 57154576, 71443220, 142886440, 285772880]

約数ペア:

[(1, 285772880), (2, 142886440), (4, 71443220), (5, 57154576), (8, 35721610), (10, 28577288), (16, 17860805), (20, 14288644), (31, 9218480), (40, 7144322), (62, 4609240), (80, 3572161), (124, 2304620), (139, 2055920), (155, 1843696), (248, 1152310), (278, 1027960), (310, 921848), (496, 576155), (556, 513980), (620, 460924), (695, 411184), (829, 344720), (1112, 256990), (1240, 230462), (1390, 205592), (1658, 172360), (2224, 128495), (2480, 115231), (2780, 102796), (3316, 86180), (4145, 68944), (4309, 66320), (5560, 51398), (6632, 43090), (8290, 34472), (8618, 33160), (11120, 25699), (13264, 21545), (16580, 17236)]