279868000

素因数分解:

$2^5\times 5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 740952576

約数和(自身を除く): 461084576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 37, 40, 50, 61, 62, 74, 80, 100, 122, 124, 125, 148, 155, 160, 185, 200, 244, 248, 250, 296, 305, 310, 370, 400, 488, 496, 500, 592, 610, 620, 740, 775, 800, 925, 976, 992, 1000, 1147, 1184, 1220, 1240, 1480, 1525, 1550, 1850, 1891, 1952, 2000, 2257, 2294, 2440, 2480, 2960, 3050, 3100, 3700, 3782, 3875, 4000, 4514, 4588, 4625, 4880, 4960, 5735, 5920, 6100, 6200, 7400, 7564, 7625, 7750, 9028, 9176, 9250, 9455, 9760, 11285, 11470, 12200, 12400, 14800, 15128, 15250, 15500, 18056, 18352, 18500, 18910, 22570, 22940, 24400, 24800, 28675, 29600, 30256, 30500, 31000, 36112, 36704, 37000, 37820, 45140, 45880, 47275, 48800, 56425, 57350, 60512, 61000, 62000, 69967, 72224, 74000, 75640, 90280, 91760, 94550, 112850, 114700, 122000, 124000, 139934, 143375, 148000, 151280, 180560, 183520, 189100, 225700, 229400, 236375, 244000, 279868, 282125, 286750, 302560, 349835, 361120, 378200, 451400, 458800, 472750, 559736, 564250, 573500, 699670, 756400, 902800, 917600, 945500, 1119472, 1128500, 1147000, 1399340, 1512800, 1749175, 1805600, 1891000, 2238944, 2257000, 2294000, 2798680, 3498350, 3782000, 4514000, 4588000, 5597360, 6996700, 7564000, 8745875, 9028000, 11194720, 13993400, 17491750, 27986800, 34983500, 55973600, 69967000, 139934000, 279868000]

約数ペア:

[(1, 279868000), (2, 139934000), (4, 69967000), (5, 55973600), (8, 34983500), (10, 27986800), (16, 17491750), (20, 13993400), (25, 11194720), (31, 9028000), (32, 8745875), (37, 7564000), (40, 6996700), (50, 5597360), (61, 4588000), (62, 4514000), (74, 3782000), (80, 3498350), (100, 2798680), (122, 2294000), (124, 2257000), (125, 2238944), (148, 1891000), (155, 1805600), (160, 1749175), (185, 1512800), (200, 1399340), (244, 1147000), (248, 1128500), (250, 1119472), (296, 945500), (305, 917600), (310, 902800), (370, 756400), (400, 699670), (488, 573500), (496, 564250), (500, 559736), (592, 472750), (610, 458800), (620, 451400), (740, 378200), (775, 361120), (800, 349835), (925, 302560), (976, 286750), (992, 282125), (1000, 279868), (1147, 244000), (1184, 236375), (1220, 229400), (1240, 225700), (1480, 189100), (1525, 183520), (1550, 180560), (1850, 151280), (1891, 148000), (1952, 143375), (2000, 139934), (2257, 124000), (2294, 122000), (2440, 114700), (2480, 112850), (2960, 94550), (3050, 91760), (3100, 90280), (3700, 75640), (3782, 74000), (3875, 72224), (4000, 69967), (4514, 62000), (4588, 61000), (4625, 60512), (4880, 57350), (4960, 56425), (5735, 48800), (5920, 47275), (6100, 45880), (6200, 45140), (7400, 37820), (7564, 37000), (7625, 36704), (7750, 36112), (9028, 31000), (9176, 30500), (9250, 30256), (9455, 29600), (9760, 28675), (11285, 24800), (11470, 24400), (12200, 22940), (12400, 22570), (14800, 18910), (15128, 18500), (15250, 18352), (15500, 18056)]