204256920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3331}}^1$

素因数の和:3425

約数の個数: 128

約数和(自身を含む): 710115840

約数和(自身を除く): 505858920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 3331, 4088, 4380, 5110, 6132, 6662, 7665, 8760, 9993, 10220, 12264, 13324, 15330, 16655, 19986, 20440, 23317, 26648, 30660, 33310, 39972, 46634, 49965, 61320, 66620, 69951, 79944, 93268, 99930, 116585, 133240, 139902, 186536, 199860, 233170, 243163, 279804, 349755, 399720, 466340, 486326, 559608, 699510, 729489, 932680, 972652, 1215815, 1399020, 1458978, 1702141, 1945304, 2431630, 2798040, 2917956, 3404282, 3647445, 4863260, 5106423, 5835912, 6808564, 7294890, 8510705, 9726520, 10212846, 13617128, 14589780, 17021410, 20425692, 25532115, 29179560, 34042820, 40851384, 51064230, 68085640, 102128460, 204256920]

約数ペア:

[(1, 204256920), (2, 102128460), (3, 68085640), (4, 51064230), (5, 40851384), (6, 34042820), (7, 29179560), (8, 25532115), (10, 20425692), (12, 17021410), (14, 14589780), (15, 13617128), (20, 10212846), (21, 9726520), (24, 8510705), (28, 7294890), (30, 6808564), (35, 5835912), (40, 5106423), (42, 4863260), (56, 3647445), (60, 3404282), (70, 2917956), (73, 2798040), (84, 2431630), (105, 1945304), (120, 1702141), (140, 1458978), (146, 1399020), (168, 1215815), (210, 972652), (219, 932680), (280, 729489), (292, 699510), (365, 559608), (420, 486326), (438, 466340), (511, 399720), (584, 349755), (730, 279804), (840, 243163), (876, 233170), (1022, 199860), (1095, 186536), (1460, 139902), (1533, 133240), (1752, 116585), (2044, 99930), (2190, 93268), (2555, 79944), (2920, 69951), (3066, 66620), (3331, 61320), (4088, 49965), (4380, 46634), (5110, 39972), (6132, 33310), (6662, 30660), (7665, 26648), (8760, 23317), (9993, 20440), (10220, 19986), (12264, 16655), (13324, 15330)]