213348940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7507}}^1$

素因数の和:7559

約数の個数: 72

約数和(自身を含む): 539224560

約数和(自身を除く): 325875620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 4060, 5684, 7105, 7507, 14210, 15014, 28420, 30028, 37535, 52549, 75070, 105098, 150140, 210196, 217703, 262745, 367843, 435406, 525490, 735686, 870812, 1050980, 1088515, 1471372, 1523921, 1839215, 2177030, 3047842, 3678430, 4354060, 6095684, 7356860, 7619605, 10667447, 15239210, 21334894, 30478420, 42669788, 53337235, 106674470, 213348940]

約数ペア:

[(1, 213348940), (2, 106674470), (4, 53337235), (5, 42669788), (7, 30478420), (10, 21334894), (14, 15239210), (20, 10667447), (28, 7619605), (29, 7356860), (35, 6095684), (49, 4354060), (58, 3678430), (70, 3047842), (98, 2177030), (116, 1839215), (140, 1523921), (145, 1471372), (196, 1088515), (203, 1050980), (245, 870812), (290, 735686), (406, 525490), (490, 435406), (580, 367843), (812, 262745), (980, 217703), (1015, 210196), (1421, 150140), (2030, 105098), (2842, 75070), (4060, 52549), (5684, 37535), (7105, 30028), (7507, 28420), (14210, 15014)]