78453100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1075

約数の個数: 72

約数和(自身を含む): 188456688

約数和(自身を除く): 110003588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 110, 146, 220, 275, 292, 365, 550, 730, 803, 977, 1100, 1460, 1606, 1825, 1954, 3212, 3650, 3908, 4015, 4885, 7300, 8030, 9770, 10747, 16060, 19540, 20075, 21494, 24425, 40150, 42988, 48850, 53735, 71321, 80300, 97700, 107470, 142642, 214940, 268675, 285284, 356605, 537350, 713210, 784531, 1074700, 1426420, 1569062, 1783025, 3138124, 3566050, 3922655, 7132100, 7845310, 15690620, 19613275, 39226550, 78453100]

約数ペア:

[(1, 78453100), (2, 39226550), (4, 19613275), (5, 15690620), (10, 7845310), (11, 7132100), (20, 3922655), (22, 3566050), (25, 3138124), (44, 1783025), (50, 1569062), (55, 1426420), (73, 1074700), (100, 784531), (110, 713210), (146, 537350), (220, 356605), (275, 285284), (292, 268675), (365, 214940), (550, 142642), (730, 107470), (803, 97700), (977, 80300), (1100, 71321), (1460, 53735), (1606, 48850), (1825, 42988), (1954, 40150), (3212, 24425), (3650, 21494), (3908, 20075), (4015, 19540), (4885, 16060), (7300, 10747), (8030, 9770)]