495138820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1049

約数の個数: 96

約数和(自身を含む): 1187020800

約数和(自身を除く): 691881980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 79, 110, 124, 155, 158, 220, 310, 316, 341, 395, 620, 682, 790, 869, 919, 1364, 1580, 1705, 1738, 1838, 2449, 3410, 3476, 3676, 4345, 4595, 4898, 6820, 8690, 9190, 9796, 10109, 12245, 17380, 18380, 20218, 24490, 26939, 28489, 40436, 48980, 50545, 53878, 56978, 72601, 101090, 107756, 113956, 134695, 142445, 145202, 202180, 269390, 284890, 290404, 313379, 363005, 538780, 569780, 626758, 726010, 798611, 1253516, 1452020, 1566895, 1597222, 2250631, 3133790, 3194444, 3993055, 4501262, 6267580, 7986110, 9002524, 11253155, 15972220, 22506310, 24756941, 45012620, 49513882, 99027764, 123784705, 247569410, 495138820]

約数ペア:

[(1, 495138820), (2, 247569410), (4, 123784705), (5, 99027764), (10, 49513882), (11, 45012620), (20, 24756941), (22, 22506310), (31, 15972220), (44, 11253155), (55, 9002524), (62, 7986110), (79, 6267580), (110, 4501262), (124, 3993055), (155, 3194444), (158, 3133790), (220, 2250631), (310, 1597222), (316, 1566895), (341, 1452020), (395, 1253516), (620, 798611), (682, 726010), (790, 626758), (869, 569780), (919, 538780), (1364, 363005), (1580, 313379), (1705, 290404), (1738, 284890), (1838, 269390), (2449, 202180), (3410, 145202), (3476, 142445), (3676, 134695), (4345, 113956), (4595, 107756), (4898, 101090), (6820, 72601), (8690, 56978), (9190, 53878), (9796, 50545), (10109, 48980), (12245, 40436), (17380, 28489), (18380, 26939), (20218, 24490)]