407657380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 948326400

約数和(自身を除く): 540669020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 89, 130, 158, 178, 223, 260, 316, 356, 395, 445, 446, 790, 890, 892, 1027, 1115, 1157, 1580, 1780, 2054, 2230, 2314, 2899, 4108, 4460, 4628, 5135, 5785, 5798, 7031, 10270, 11570, 11596, 14062, 14495, 17617, 19847, 20540, 23140, 28124, 28990, 35155, 35234, 39694, 57980, 70310, 70468, 79388, 88085, 91403, 99235, 140620, 176170, 182806, 198470, 229021, 258011, 352340, 365612, 396940, 457015, 458042, 516022, 914030, 916084, 1032044, 1145105, 1290055, 1567913, 1828060, 2290210, 2580110, 3135826, 4580420, 5160220, 6271652, 7839565, 15679130, 20382869, 31358260, 40765738, 81531476, 101914345, 203828690, 407657380]

約数ペア:

[(1, 407657380), (2, 203828690), (4, 101914345), (5, 81531476), (10, 40765738), (13, 31358260), (20, 20382869), (26, 15679130), (52, 7839565), (65, 6271652), (79, 5160220), (89, 4580420), (130, 3135826), (158, 2580110), (178, 2290210), (223, 1828060), (260, 1567913), (316, 1290055), (356, 1145105), (395, 1032044), (445, 916084), (446, 914030), (790, 516022), (890, 458042), (892, 457015), (1027, 396940), (1115, 365612), (1157, 352340), (1580, 258011), (1780, 229021), (2054, 198470), (2230, 182806), (2314, 176170), (2899, 140620), (4108, 99235), (4460, 91403), (4628, 88085), (5135, 79388), (5785, 70468), (5798, 70310), (7031, 57980), (10270, 39694), (11570, 35234), (11596, 35155), (14062, 28990), (14495, 28124), (17617, 23140), (19847, 20540)]