87854620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{653}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 218205792

約数和(自身を除く): 130351172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 653, 868, 961, 1085, 1306, 1922, 2170, 2612, 3265, 3844, 4340, 4571, 4805, 6530, 6727, 9142, 9610, 13060, 13454, 18284, 19220, 20243, 22855, 26908, 33635, 40486, 45710, 67270, 80972, 91420, 101215, 134540, 141701, 202430, 283402, 404860, 566804, 627533, 708505, 1255066, 1417010, 2510132, 2834020, 3137665, 4392731, 6275330, 8785462, 12550660, 17570924, 21963655, 43927310, 87854620]

約数ペア:

[(1, 87854620), (2, 43927310), (4, 21963655), (5, 17570924), (7, 12550660), (10, 8785462), (14, 6275330), (20, 4392731), (28, 3137665), (31, 2834020), (35, 2510132), (62, 1417010), (70, 1255066), (124, 708505), (140, 627533), (155, 566804), (217, 404860), (310, 283402), (434, 202430), (620, 141701), (653, 134540), (868, 101215), (961, 91420), (1085, 80972), (1306, 67270), (1922, 45710), (2170, 40486), (2612, 33635), (3265, 26908), (3844, 22855), (4340, 20243), (4571, 19220), (4805, 18284), (6530, 13454), (6727, 13060), (9142, 9610)]