280180454425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{997}}^1\times {\mathrm{1039}}^1$

素因数の和:2426

約数の個数: 48

約数和(自身を含む): 360365824000

約数和(自身を除く): 80185369575

約数列:

[1, 5, 25, 31, 155, 349, 775, 997, 1039, 1745, 4985, 5195, 8725, 10819, 24925, 25975, 30907, 32209, 54095, 154535, 161045, 270475, 347953, 362611, 772675, 805225, 1035883, 1739765, 1813055, 5179415, 8698825, 9065275, 10786543, 11240941, 25897075, 32112373, 53932715, 56204705, 160561865, 269663575, 281023525, 361523167, 802809325, 1807615835, 9038079175, 11207218177, 56036090885, 280180454425]

約数ペア:

[(1, 280180454425), (5, 56036090885), (25, 11207218177), (31, 9038079175), (155, 1807615835), (349, 802809325), (775, 361523167), (997, 281023525), (1039, 269663575), (1745, 160561865), (4985, 56204705), (5195, 53932715), (8725, 32112373), (10819, 25897075), (24925, 11240941), (25975, 10786543), (30907, 9065275), (32209, 8698825), (54095, 5179415), (154535, 1813055), (161045, 1739765), (270475, 1035883), (347953, 805225), (362611, 772675)]