788743540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97859}}^1$

素因数の和:97912

約数の個数: 48

約数和(自身を含む): 1841333760

約数和(自身を除く): 1052590220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 97859, 195718, 391436, 489295, 978590, 1272167, 1957180, 2544334, 3033629, 5088668, 6067258, 6360835, 12134516, 12721670, 15168145, 25443340, 30336290, 39437177, 60672580, 78874354, 157748708, 197185885, 394371770, 788743540]

約数ペア:

[(1, 788743540), (2, 394371770), (4, 197185885), (5, 157748708), (10, 78874354), (13, 60672580), (20, 39437177), (26, 30336290), (31, 25443340), (52, 15168145), (62, 12721670), (65, 12134516), (124, 6360835), (130, 6067258), (155, 5088668), (260, 3033629), (310, 2544334), (403, 1957180), (620, 1272167), (806, 978590), (1612, 489295), (2015, 391436), (4030, 195718), (8060, 97859)]