406137260

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{2749}}^1$

素因数の和:2930

約数の個数: 48

約数和(自身を含む): 873180000

約数和(自身を除く): 467042740

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 356, 415, 445, 830, 890, 1660, 1780, 2749, 5498, 7387, 10996, 13745, 14774, 27490, 29548, 36935, 54980, 73870, 147740, 228167, 244661, 456334, 489322, 912668, 978644, 1140835, 1223305, 2281670, 2446610, 4563340, 4893220, 20306863, 40613726, 81227452, 101534315, 203068630, 406137260]

約数ペア:

[(1, 406137260), (2, 203068630), (4, 101534315), (5, 81227452), (10, 40613726), (20, 20306863), (83, 4893220), (89, 4563340), (166, 2446610), (178, 2281670), (332, 1223305), (356, 1140835), (415, 978644), (445, 912668), (830, 489322), (890, 456334), (1660, 244661), (1780, 228167), (2749, 147740), (5498, 73870), (7387, 54980), (10996, 36935), (13745, 29548), (14774, 27490)]