699857860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2801}}^1$

素因数の和:2885

約数の個数: 72

約数和(自身を含む): 1636042968

約数和(自身を除く): 936185108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1612, 1922, 2015, 2801, 3844, 4030, 4805, 5602, 8060, 9610, 11204, 12493, 14005, 19220, 24986, 28010, 36413, 49972, 56020, 62465, 72826, 86831, 124930, 145652, 173662, 182065, 249860, 347324, 364130, 434155, 728260, 868310, 1128803, 1736620, 2257606, 2691761, 4515212, 5383522, 5644015, 10767044, 11288030, 13458805, 22576060, 26917610, 34992893, 53835220, 69985786, 139971572, 174964465, 349928930, 699857860]

約数ペア:

[(1, 699857860), (2, 349928930), (4, 174964465), (5, 139971572), (10, 69985786), (13, 53835220), (20, 34992893), (26, 26917610), (31, 22576060), (52, 13458805), (62, 11288030), (65, 10767044), (124, 5644015), (130, 5383522), (155, 4515212), (260, 2691761), (310, 2257606), (403, 1736620), (620, 1128803), (806, 868310), (961, 728260), (1612, 434155), (1922, 364130), (2015, 347324), (2801, 249860), (3844, 182065), (4030, 173662), (4805, 145652), (5602, 124930), (8060, 86831), (9610, 72826), (11204, 62465), (12493, 56020), (14005, 49972), (19220, 36413), (24986, 28010)]