279178970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 622494720

約数和(自身を除く): 343315750

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 157, 190, 191, 245, 266, 314, 382, 490, 665, 785, 931, 955, 1099, 1330, 1337, 1570, 1862, 1910, 2198, 2674, 2983, 3629, 4655, 5495, 5966, 6685, 7258, 7693, 9310, 9359, 10990, 13370, 14915, 15386, 18145, 18718, 20881, 25403, 29830, 29987, 36290, 38465, 41762, 46795, 50806, 59974, 76930, 93590, 104405, 127015, 146167, 149935, 177821, 208810, 209909, 254030, 292334, 299870, 355642, 419818, 569753, 730835, 889105, 1049545, 1139506, 1461670, 1469363, 1778210, 2099090, 2848765, 2938726, 3988271, 5697530, 7346815, 7976542, 14693630, 19941355, 27917897, 39882710, 55835794, 139589485, 279178970]

約数ペア:

[(1, 279178970), (2, 139589485), (5, 55835794), (7, 39882710), (10, 27917897), (14, 19941355), (19, 14693630), (35, 7976542), (38, 7346815), (49, 5697530), (70, 3988271), (95, 2938726), (98, 2848765), (133, 2099090), (157, 1778210), (190, 1469363), (191, 1461670), (245, 1139506), (266, 1049545), (314, 889105), (382, 730835), (490, 569753), (665, 419818), (785, 355642), (931, 299870), (955, 292334), (1099, 254030), (1330, 209909), (1337, 208810), (1570, 177821), (1862, 149935), (1910, 146167), (2198, 127015), (2674, 104405), (2983, 93590), (3629, 76930), (4655, 59974), (5495, 50806), (5966, 46795), (6685, 41762), (7258, 38465), (7693, 36290), (9310, 29987), (9359, 29830), (10990, 25403), (13370, 20881), (14915, 18718), (15386, 18145)]