39869340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 132378624

約数和(自身を除く): 92509284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 191, 196, 210, 213, 245, 284, 294, 355, 382, 420, 426, 490, 497, 573, 588, 710, 735, 764, 852, 955, 980, 994, 1065, 1146, 1337, 1420, 1470, 1491, 1910, 1988, 2130, 2292, 2485, 2674, 2865, 2940, 2982, 3479, 3820, 4011, 4260, 4970, 5348, 5730, 5964, 6685, 6958, 7455, 8022, 9359, 9940, 10437, 11460, 13370, 13561, 13916, 14910, 16044, 17395, 18718, 20055, 20874, 26740, 27122, 28077, 29820, 34790, 37436, 40110, 40683, 41748, 46795, 52185, 54244, 56154, 67805, 69580, 80220, 81366, 93590, 94927, 104370, 112308, 135610, 140385, 162732, 187180, 189854, 203415, 208740, 271220, 280770, 284781, 379708, 406830, 474635, 561540, 569562, 664489, 813660, 949270, 1139124, 1328978, 1423905, 1898540, 1993467, 2657956, 2847810, 3322445, 3986934, 5695620, 6644890, 7973868, 9967335, 13289780, 19934670, 39869340]

約数ペア:

[(1, 39869340), (2, 19934670), (3, 13289780), (4, 9967335), (5, 7973868), (6, 6644890), (7, 5695620), (10, 3986934), (12, 3322445), (14, 2847810), (15, 2657956), (20, 1993467), (21, 1898540), (28, 1423905), (30, 1328978), (35, 1139124), (42, 949270), (49, 813660), (60, 664489), (70, 569562), (71, 561540), (84, 474635), (98, 406830), (105, 379708), (140, 284781), (142, 280770), (147, 271220), (191, 208740), (196, 203415), (210, 189854), (213, 187180), (245, 162732), (284, 140385), (294, 135610), (355, 112308), (382, 104370), (420, 94927), (426, 93590), (490, 81366), (497, 80220), (573, 69580), (588, 67805), (710, 56154), (735, 54244), (764, 52185), (852, 46795), (955, 41748), (980, 40683), (994, 40110), (1065, 37436), (1146, 34790), (1337, 29820), (1420, 28077), (1470, 27122), (1491, 26740), (1910, 20874), (1988, 20055), (2130, 18718), (2292, 17395), (2485, 16044), (2674, 14910), (2865, 13916), (2940, 13561), (2982, 13370), (3479, 11460), (3820, 10437), (4011, 9940), (4260, 9359), (4970, 8022), (5348, 7455), (5730, 6958), (5964, 6685)]