156936980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 358525440

約数和(自身を除く): 201588460

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 71, 74, 103, 116, 142, 145, 148, 185, 206, 284, 290, 355, 370, 412, 515, 580, 710, 740, 1030, 1073, 1420, 2059, 2060, 2146, 2627, 2987, 3811, 4118, 4292, 5254, 5365, 5974, 7313, 7622, 8236, 10295, 10508, 10730, 11948, 13135, 14626, 14935, 15244, 19055, 20590, 21460, 26270, 29252, 29870, 36565, 38110, 41180, 52540, 59740, 73130, 76183, 76220, 110519, 146260, 152366, 212077, 221038, 270581, 304732, 380915, 424154, 442076, 541162, 552595, 761830, 848308, 1060385, 1082324, 1105190, 1352905, 1523660, 2120770, 2210380, 2705810, 4241540, 5411620, 7846849, 15693698, 31387396, 39234245, 78468490, 156936980]

約数ペア:

[(1, 156936980), (2, 78468490), (4, 39234245), (5, 31387396), (10, 15693698), (20, 7846849), (29, 5411620), (37, 4241540), (58, 2705810), (71, 2210380), (74, 2120770), (103, 1523660), (116, 1352905), (142, 1105190), (145, 1082324), (148, 1060385), (185, 848308), (206, 761830), (284, 552595), (290, 541162), (355, 442076), (370, 424154), (412, 380915), (515, 304732), (580, 270581), (710, 221038), (740, 212077), (1030, 152366), (1073, 146260), (1420, 110519), (2059, 76220), (2060, 76183), (2146, 73130), (2627, 59740), (2987, 52540), (3811, 41180), (4118, 38110), (4292, 36565), (5254, 29870), (5365, 29252), (5974, 26270), (7313, 21460), (7622, 20590), (8236, 19055), (10295, 15244), (10508, 14935), (10730, 14626), (11948, 13135)]