39830140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 98537040

約数和(自身を除く): 58706900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 419, 485, 490, 679, 838, 970, 980, 1358, 1676, 1940, 2095, 2716, 2933, 3395, 4190, 4753, 5866, 6790, 8380, 9506, 11732, 13580, 14665, 19012, 20531, 23765, 29330, 40643, 41062, 47530, 58660, 81286, 82124, 95060, 102655, 162572, 203215, 205310, 284501, 406430, 410620, 569002, 812860, 1138004, 1422505, 1991507, 2845010, 3983014, 5690020, 7966028, 9957535, 19915070, 39830140]

約数ペア:

[(1, 39830140), (2, 19915070), (4, 9957535), (5, 7966028), (7, 5690020), (10, 3983014), (14, 2845010), (20, 1991507), (28, 1422505), (35, 1138004), (49, 812860), (70, 569002), (97, 410620), (98, 406430), (140, 284501), (194, 205310), (196, 203215), (245, 162572), (388, 102655), (419, 95060), (485, 82124), (490, 81286), (679, 58660), (838, 47530), (970, 41062), (980, 40643), (1358, 29330), (1676, 23765), (1940, 20531), (2095, 19012), (2716, 14665), (2933, 13580), (3395, 11732), (4190, 9506), (4753, 8380), (5866, 6790)]