389620620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:1000

約数の個数: 144

約数和(自身を含む): 1260893088

約数和(自身を除く): 871272468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 157, 170, 180, 204, 255, 306, 314, 340, 471, 510, 612, 628, 765, 785, 811, 942, 1020, 1413, 1530, 1570, 1622, 1884, 2355, 2433, 2669, 2826, 3060, 3140, 3244, 4055, 4710, 4866, 5338, 5652, 7065, 7299, 8007, 8110, 9420, 9732, 10676, 12165, 13345, 13787, 14130, 14598, 16014, 16220, 24021, 24330, 26690, 27574, 28260, 29196, 32028, 36495, 40035, 41361, 48042, 48660, 53380, 55148, 68935, 72990, 80070, 82722, 96084, 120105, 124083, 127327, 137870, 145980, 160140, 165444, 206805, 240210, 248166, 254654, 275740, 381981, 413610, 480420, 496332, 509308, 620415, 636635, 763962, 827220, 1145943, 1240830, 1273270, 1527924, 1909905, 2164559, 2291886, 2481660, 2546540, 3819810, 4329118, 4583772, 5729715, 6493677, 7639620, 8658236, 10822795, 11459430, 12987354, 19481031, 21645590, 22918860, 25974708, 32468385, 38962062, 43291180, 64936770, 77924124, 97405155, 129873540, 194810310, 389620620]

約数ペア:

[(1, 389620620), (2, 194810310), (3, 129873540), (4, 97405155), (5, 77924124), (6, 64936770), (9, 43291180), (10, 38962062), (12, 32468385), (15, 25974708), (17, 22918860), (18, 21645590), (20, 19481031), (30, 12987354), (34, 11459430), (36, 10822795), (45, 8658236), (51, 7639620), (60, 6493677), (68, 5729715), (85, 4583772), (90, 4329118), (102, 3819810), (153, 2546540), (157, 2481660), (170, 2291886), (180, 2164559), (204, 1909905), (255, 1527924), (306, 1273270), (314, 1240830), (340, 1145943), (471, 827220), (510, 763962), (612, 636635), (628, 620415), (765, 509308), (785, 496332), (811, 480420), (942, 413610), (1020, 381981), (1413, 275740), (1530, 254654), (1570, 248166), (1622, 240210), (1884, 206805), (2355, 165444), (2433, 160140), (2669, 145980), (2826, 137870), (3060, 127327), (3140, 124083), (3244, 120105), (4055, 96084), (4710, 82722), (4866, 80070), (5338, 72990), (5652, 68935), (7065, 55148), (7299, 53380), (8007, 48660), (8110, 48042), (9420, 41361), (9732, 40035), (10676, 36495), (12165, 32028), (13345, 29196), (13787, 28260), (14130, 27574), (14598, 26690), (16014, 24330), (16220, 24021)]