205208220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15761}}^1$

素因数の和:15811

約数の個数: 96

約数和(自身を含む): 677892096

約数和(自身を除く): 472683876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 15761, 31522, 47283, 63044, 78805, 94566, 110327, 157610, 189132, 220654, 236415, 315220, 330981, 441308, 472830, 488591, 551635, 661962, 945660, 977182, 1103270, 1323924, 1465773, 1654905, 1954364, 2206540, 2442955, 2931546, 3309810, 3420137, 4885910, 5863092, 6619620, 6840274, 7328865, 9771820, 10260411, 13680548, 14657730, 17100685, 20520822, 29315460, 34201370, 41041644, 51302055, 68402740, 102604110, 205208220]

約数ペア:

[(1, 205208220), (2, 102604110), (3, 68402740), (4, 51302055), (5, 41041644), (6, 34201370), (7, 29315460), (10, 20520822), (12, 17100685), (14, 14657730), (15, 13680548), (20, 10260411), (21, 9771820), (28, 7328865), (30, 6840274), (31, 6619620), (35, 5863092), (42, 4885910), (60, 3420137), (62, 3309810), (70, 2931546), (84, 2442955), (93, 2206540), (105, 1954364), (124, 1654905), (140, 1465773), (155, 1323924), (186, 1103270), (210, 977182), (217, 945660), (310, 661962), (372, 551635), (420, 488591), (434, 472830), (465, 441308), (620, 330981), (651, 315220), (868, 236415), (930, 220654), (1085, 189132), (1302, 157610), (1860, 110327), (2170, 94566), (2604, 78805), (3255, 63044), (4340, 47283), (6510, 31522), (13020, 15761)]