16966021940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{7129}}^1$

素因数の和:7425

約数の個数: 96

約数和(自身を含む): 41397350400

約数和(自身を除く): 24431328460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 191, 356, 382, 445, 623, 764, 890, 955, 1246, 1337, 1780, 1910, 2492, 2674, 3115, 3820, 5348, 6230, 6685, 7129, 12460, 13370, 14258, 16999, 26740, 28516, 33998, 35645, 49903, 67996, 71290, 84995, 99806, 118993, 142580, 169990, 199612, 237986, 249515, 339980, 475972, 499030, 594965, 634481, 998060, 1189930, 1268962, 1361639, 2379860, 2537924, 2723278, 3172405, 4441367, 5446556, 6344810, 6808195, 8882734, 9531473, 12689620, 13616390, 17765468, 19062946, 22206835, 27232780, 38125892, 44413670, 47657365, 88827340, 95314730, 121185871, 190629460, 242371742, 484743484, 605929355, 848301097, 1211858710, 1696602194, 2423717420, 3393204388, 4241505485, 8483010970, 16966021940]

約数ペア:

[(1, 16966021940), (2, 8483010970), (4, 4241505485), (5, 3393204388), (7, 2423717420), (10, 1696602194), (14, 1211858710), (20, 848301097), (28, 605929355), (35, 484743484), (70, 242371742), (89, 190629460), (140, 121185871), (178, 95314730), (191, 88827340), (356, 47657365), (382, 44413670), (445, 38125892), (623, 27232780), (764, 22206835), (890, 19062946), (955, 17765468), (1246, 13616390), (1337, 12689620), (1780, 9531473), (1910, 8882734), (2492, 6808195), (2674, 6344810), (3115, 5446556), (3820, 4441367), (5348, 3172405), (6230, 2723278), (6685, 2537924), (7129, 2379860), (12460, 1361639), (13370, 1268962), (14258, 1189930), (16999, 998060), (26740, 634481), (28516, 594965), (33998, 499030), (35645, 475972), (49903, 339980), (67996, 249515), (71290, 237986), (84995, 199612), (99806, 169990), (118993, 142580)]