3481940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 144

約数和(自身を含む): 10342080

約数和(自身を除く): 6860140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 19, 20, 22, 28, 34, 35, 38, 44, 49, 55, 68, 70, 76, 77, 85, 95, 98, 110, 119, 133, 140, 154, 170, 187, 190, 196, 209, 220, 238, 245, 266, 308, 323, 340, 374, 380, 385, 418, 476, 490, 532, 539, 595, 646, 665, 748, 770, 833, 836, 931, 935, 980, 1045, 1078, 1190, 1292, 1309, 1330, 1463, 1540, 1615, 1666, 1862, 1870, 2090, 2156, 2261, 2380, 2618, 2660, 2695, 2926, 3230, 3332, 3553, 3724, 3740, 4165, 4180, 4522, 4655, 5236, 5390, 5852, 6460, 6545, 7106, 7315, 8330, 9044, 9163, 9310, 10241, 10780, 11305, 13090, 14212, 14630, 15827, 16660, 17765, 18326, 18620, 20482, 22610, 24871, 26180, 29260, 31654, 35530, 36652, 40964, 45220, 45815, 49742, 51205, 63308, 71060, 79135, 91630, 99484, 102410, 124355, 158270, 174097, 183260, 204820, 248710, 316540, 348194, 497420, 696388, 870485, 1740970, 3481940]

約数ペア:

[(1, 3481940), (2, 1740970), (4, 870485), (5, 696388), (7, 497420), (10, 348194), (11, 316540), (14, 248710), (17, 204820), (19, 183260), (20, 174097), (22, 158270), (28, 124355), (34, 102410), (35, 99484), (38, 91630), (44, 79135), (49, 71060), (55, 63308), (68, 51205), (70, 49742), (76, 45815), (77, 45220), (85, 40964), (95, 36652), (98, 35530), (110, 31654), (119, 29260), (133, 26180), (140, 24871), (154, 22610), (170, 20482), (187, 18620), (190, 18326), (196, 17765), (209, 16660), (220, 15827), (238, 14630), (245, 14212), (266, 13090), (308, 11305), (323, 10780), (340, 10241), (374, 9310), (380, 9163), (385, 9044), (418, 8330), (476, 7315), (490, 7106), (532, 6545), (539, 6460), (595, 5852), (646, 5390), (665, 5236), (748, 4655), (770, 4522), (833, 4180), (836, 4165), (931, 3740), (935, 3724), (980, 3553), (1045, 3332), (1078, 3230), (1190, 2926), (1292, 2695), (1309, 2660), (1330, 2618), (1463, 2380), (1540, 2261), (1615, 2156), (1666, 2090), (1862, 1870)]