28972846420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{229}}^1\times {\mathrm{18443}}^1$

素因数の和:18702

約数の個数: 96

約数和(自身を含む): 71267616000

約数和(自身を除く): 42294769580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 229, 245, 343, 458, 490, 686, 916, 980, 1145, 1372, 1603, 1715, 2290, 3206, 3430, 4580, 6412, 6860, 8015, 11221, 16030, 18443, 22442, 32060, 36886, 44884, 56105, 73772, 78547, 92215, 112210, 129101, 157094, 184430, 224420, 258202, 314188, 368860, 392735, 516404, 645505, 785470, 903707, 1291010, 1570940, 1807414, 2582020, 3614828, 4223447, 4518535, 6325949, 8446894, 9037070, 12651898, 16893788, 18074140, 21117235, 25303796, 29564129, 31629745, 42234470, 59128258, 63259490, 84468940, 118256516, 126518980, 147820645, 206948903, 295641290, 413897806, 591282580, 827795612, 1034744515, 1448642321, 2069489030, 2897284642, 4138978060, 5794569284, 7243211605, 14486423210, 28972846420]

約数ペア:

[(1, 28972846420), (2, 14486423210), (4, 7243211605), (5, 5794569284), (7, 4138978060), (10, 2897284642), (14, 2069489030), (20, 1448642321), (28, 1034744515), (35, 827795612), (49, 591282580), (70, 413897806), (98, 295641290), (140, 206948903), (196, 147820645), (229, 126518980), (245, 118256516), (343, 84468940), (458, 63259490), (490, 59128258), (686, 42234470), (916, 31629745), (980, 29564129), (1145, 25303796), (1372, 21117235), (1603, 18074140), (1715, 16893788), (2290, 12651898), (3206, 9037070), (3430, 8446894), (4580, 6325949), (6412, 4518535), (6860, 4223447), (8015, 3614828), (11221, 2582020), (16030, 1807414), (18443, 1570940), (22442, 1291010), (32060, 903707), (36886, 785470), (44884, 645505), (56105, 516404), (73772, 392735), (78547, 368860), (92215, 314188), (112210, 258202), (129101, 224420), (157094, 184430)]