400238580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2879}}^1$

素因数の和:3229

約数の個数: 96

約数和(自身を含む): 1285079040

約数和(自身を除く): 884840460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 331, 420, 662, 993, 1324, 1655, 1986, 2317, 2879, 3310, 3972, 4634, 4965, 5758, 6620, 6951, 8637, 9268, 9930, 11516, 11585, 13902, 14395, 17274, 19860, 20153, 23170, 27804, 28790, 34548, 34755, 40306, 43185, 46340, 57580, 60459, 69510, 80612, 86370, 100765, 120918, 139020, 172740, 201530, 241836, 302295, 403060, 604590, 952949, 1209180, 1905898, 2858847, 3811796, 4764745, 5717694, 6670643, 9529490, 11435388, 13341286, 14294235, 19058980, 20011929, 26682572, 28588470, 33353215, 40023858, 57176940, 66706430, 80047716, 100059645, 133412860, 200119290, 400238580]

約数ペア:

[(1, 400238580), (2, 200119290), (3, 133412860), (4, 100059645), (5, 80047716), (6, 66706430), (7, 57176940), (10, 40023858), (12, 33353215), (14, 28588470), (15, 26682572), (20, 20011929), (21, 19058980), (28, 14294235), (30, 13341286), (35, 11435388), (42, 9529490), (60, 6670643), (70, 5717694), (84, 4764745), (105, 3811796), (140, 2858847), (210, 1905898), (331, 1209180), (420, 952949), (662, 604590), (993, 403060), (1324, 302295), (1655, 241836), (1986, 201530), (2317, 172740), (2879, 139020), (3310, 120918), (3972, 100765), (4634, 86370), (4965, 80612), (5758, 69510), (6620, 60459), (6951, 57580), (8637, 46340), (9268, 43185), (9930, 40306), (11516, 34755), (11585, 34548), (13902, 28790), (14395, 27804), (17274, 23170), (19860, 20153)]