215896400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:829

約数の個数: 120

約数和(自身を含む): 559440384

約数和(自身を除く): 343543984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 92, 100, 115, 124, 155, 184, 200, 230, 248, 310, 368, 400, 460, 496, 575, 620, 713, 757, 775, 920, 1150, 1240, 1426, 1514, 1550, 1840, 2300, 2480, 2852, 3028, 3100, 3565, 3785, 4600, 5704, 6056, 6200, 7130, 7570, 9200, 11408, 12112, 12400, 14260, 15140, 17411, 17825, 18925, 23467, 28520, 30280, 34822, 35650, 37850, 46934, 57040, 60560, 69644, 71300, 75700, 87055, 93868, 117335, 139288, 142600, 151400, 174110, 187736, 234670, 278576, 285200, 302800, 348220, 375472, 435275, 469340, 539741, 586675, 696440, 870550, 938680, 1079482, 1173350, 1392880, 1741100, 1877360, 2158964, 2346700, 2698705, 3482200, 4317928, 4693400, 5397410, 6964400, 8635856, 9386800, 10794820, 13493525, 21589640, 26987050, 43179280, 53974100, 107948200, 215896400]

約数ペア:

[(1, 215896400), (2, 107948200), (4, 53974100), (5, 43179280), (8, 26987050), (10, 21589640), (16, 13493525), (20, 10794820), (23, 9386800), (25, 8635856), (31, 6964400), (40, 5397410), (46, 4693400), (50, 4317928), (62, 3482200), (80, 2698705), (92, 2346700), (100, 2158964), (115, 1877360), (124, 1741100), (155, 1392880), (184, 1173350), (200, 1079482), (230, 938680), (248, 870550), (310, 696440), (368, 586675), (400, 539741), (460, 469340), (496, 435275), (575, 375472), (620, 348220), (713, 302800), (757, 285200), (775, 278576), (920, 234670), (1150, 187736), (1240, 174110), (1426, 151400), (1514, 142600), (1550, 139288), (1840, 117335), (2300, 93868), (2480, 87055), (2852, 75700), (3028, 71300), (3100, 69644), (3565, 60560), (3785, 57040), (4600, 46934), (5704, 37850), (6056, 35650), (6200, 34822), (7130, 30280), (7570, 28520), (9200, 23467), (11408, 18925), (12112, 17825), (12400, 17411), (14260, 15140)]