320188150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{823}}^1$

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 617960448

約数和(自身を除く): 297772298

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 251, 310, 502, 775, 823, 1255, 1550, 1646, 2510, 4115, 6275, 7781, 8230, 12550, 15562, 20575, 25513, 38905, 41150, 51026, 77810, 127565, 194525, 206573, 255130, 389050, 413146, 637825, 1032865, 1275650, 2065730, 5164325, 6403763, 10328650, 12807526, 32018815, 64037630, 160094075, 320188150]

約数ペア:

[(1, 320188150), (2, 160094075), (5, 64037630), (10, 32018815), (25, 12807526), (31, 10328650), (50, 6403763), (62, 5164325), (155, 2065730), (251, 1275650), (310, 1032865), (502, 637825), (775, 413146), (823, 389050), (1255, 255130), (1550, 206573), (1646, 194525), (2510, 127565), (4115, 77810), (6275, 51026), (7781, 41150), (8230, 38905), (12550, 25513), (15562, 20575)]