780718540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1471}}^1$

素因数の和:1727

約数の個数: 96

約数和(自身を含む): 1994194944

約数和(自身を除く): 1213476404

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 223, 238, 340, 446, 476, 595, 892, 1115, 1190, 1471, 1561, 2230, 2380, 2942, 3122, 3791, 4460, 5884, 6244, 7355, 7582, 7805, 10297, 14710, 15164, 15610, 18955, 20594, 25007, 26537, 29420, 31220, 37910, 41188, 50014, 51485, 53074, 75820, 100028, 102970, 106148, 125035, 132685, 175049, 205940, 250070, 265370, 328033, 350098, 500140, 530740, 656066, 700196, 875245, 1312132, 1640165, 1750490, 2296231, 3280330, 3500980, 4592462, 5576561, 6560660, 9184924, 11153122, 11481155, 22306244, 22962310, 27882805, 39035927, 45924620, 55765610, 78071854, 111531220, 156143708, 195179635, 390359270, 780718540]

約数ペア:

[(1, 780718540), (2, 390359270), (4, 195179635), (5, 156143708), (7, 111531220), (10, 78071854), (14, 55765610), (17, 45924620), (20, 39035927), (28, 27882805), (34, 22962310), (35, 22306244), (68, 11481155), (70, 11153122), (85, 9184924), (119, 6560660), (140, 5576561), (170, 4592462), (223, 3500980), (238, 3280330), (340, 2296231), (446, 1750490), (476, 1640165), (595, 1312132), (892, 875245), (1115, 700196), (1190, 656066), (1471, 530740), (1561, 500140), (2230, 350098), (2380, 328033), (2942, 265370), (3122, 250070), (3791, 205940), (4460, 175049), (5884, 132685), (6244, 125035), (7355, 106148), (7582, 102970), (7805, 100028), (10297, 75820), (14710, 53074), (15164, 51485), (15610, 50014), (18955, 41188), (20594, 37910), (25007, 31220), (26537, 29420)]