142743860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1289}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 352061640

約数和(自身を除く): 209317780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 452, 490, 565, 791, 980, 1130, 1289, 1582, 2260, 2578, 3164, 3955, 5156, 5537, 6445, 7910, 9023, 11074, 12890, 15820, 18046, 22148, 25780, 27685, 36092, 45115, 55370, 63161, 90230, 110740, 126322, 145657, 180460, 252644, 291314, 315805, 582628, 631610, 728285, 1019599, 1263220, 1456570, 2039198, 2913140, 4078396, 5097995, 7137193, 10195990, 14274386, 20391980, 28548772, 35685965, 71371930, 142743860]

約数ペア:

[(1, 142743860), (2, 71371930), (4, 35685965), (5, 28548772), (7, 20391980), (10, 14274386), (14, 10195990), (20, 7137193), (28, 5097995), (35, 4078396), (49, 2913140), (70, 2039198), (98, 1456570), (113, 1263220), (140, 1019599), (196, 728285), (226, 631610), (245, 582628), (452, 315805), (490, 291314), (565, 252644), (791, 180460), (980, 145657), (1130, 126322), (1289, 110740), (1582, 90230), (2260, 63161), (2578, 55370), (3164, 45115), (3955, 36092), (5156, 27685), (5537, 25780), (6445, 22148), (7910, 18046), (9023, 15820), (11074, 12890)]