490563540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{523}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 1554116928

約数和(自身を除く): 1063553388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 193, 243, 270, 324, 386, 405, 486, 523, 540, 579, 772, 810, 965, 972, 1046, 1158, 1215, 1569, 1620, 1737, 1930, 2092, 2316, 2430, 2615, 2895, 3138, 3474, 3860, 4707, 4860, 5211, 5230, 5790, 6276, 6948, 7845, 8685, 9414, 10422, 10460, 11580, 14121, 15633, 15690, 17370, 18828, 20844, 23535, 26055, 28242, 31266, 31380, 34740, 42363, 46899, 47070, 52110, 56484, 62532, 70605, 78165, 84726, 93798, 94140, 100939, 104220, 127089, 141210, 156330, 169452, 187596, 201878, 211815, 234495, 254178, 282420, 302817, 312660, 403756, 423630, 468990, 504695, 508356, 605634, 635445, 847260, 908451, 937980, 1009390, 1211268, 1270890, 1514085, 1816902, 2018780, 2541780, 2725353, 3028170, 3633804, 4542255, 5450706, 6056340, 8176059, 9084510, 10901412, 13626765, 16352118, 18169020, 24528177, 27253530, 32704236, 40880295, 49056354, 54507060, 81760590, 98112708, 122640885, 163521180, 245281770, 490563540]

約数ペア:

[(1, 490563540), (2, 245281770), (3, 163521180), (4, 122640885), (5, 98112708), (6, 81760590), (9, 54507060), (10, 49056354), (12, 40880295), (15, 32704236), (18, 27253530), (20, 24528177), (27, 18169020), (30, 16352118), (36, 13626765), (45, 10901412), (54, 9084510), (60, 8176059), (81, 6056340), (90, 5450706), (108, 4542255), (135, 3633804), (162, 3028170), (180, 2725353), (193, 2541780), (243, 2018780), (270, 1816902), (324, 1514085), (386, 1270890), (405, 1211268), (486, 1009390), (523, 937980), (540, 908451), (579, 847260), (772, 635445), (810, 605634), (965, 508356), (972, 504695), (1046, 468990), (1158, 423630), (1215, 403756), (1569, 312660), (1620, 302817), (1737, 282420), (1930, 254178), (2092, 234495), (2316, 211815), (2430, 201878), (2615, 187596), (2895, 169452), (3138, 156330), (3474, 141210), (3860, 127089), (4707, 104220), (4860, 100939), (5211, 94140), (5230, 93798), (5790, 84726), (6276, 78165), (6948, 70605), (7845, 62532), (8685, 56484), (9414, 52110), (10422, 47070), (10460, 46899), (11580, 42363), (14121, 34740), (15633, 31380), (15690, 31266), (17370, 28242), (18828, 26055), (20844, 23535)]