870825860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{1171}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 1950451776

約数和(自身を除く): 1079625916

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 361, 380, 412, 515, 722, 1030, 1171, 1444, 1805, 1957, 2060, 2342, 3610, 3914, 4684, 5855, 7220, 7828, 9785, 11710, 19570, 22249, 23420, 37183, 39140, 44498, 74366, 88996, 111245, 120613, 148732, 185915, 222490, 241226, 371830, 422731, 444980, 482452, 603065, 743660, 845462, 1206130, 1690924, 2113655, 2291647, 2412260, 4227310, 4583294, 8454620, 9166588, 11458235, 22916470, 43541293, 45832940, 87082586, 174165172, 217706465, 435412930, 870825860]

約数ペア:

[(1, 870825860), (2, 435412930), (4, 217706465), (5, 174165172), (10, 87082586), (19, 45832940), (20, 43541293), (38, 22916470), (76, 11458235), (95, 9166588), (103, 8454620), (190, 4583294), (206, 4227310), (361, 2412260), (380, 2291647), (412, 2113655), (515, 1690924), (722, 1206130), (1030, 845462), (1171, 743660), (1444, 603065), (1805, 482452), (1957, 444980), (2060, 422731), (2342, 371830), (3610, 241226), (3914, 222490), (4684, 185915), (5855, 148732), (7220, 120613), (7828, 111245), (9785, 88996), (11710, 74366), (19570, 44498), (22249, 39140), (23420, 37183)]