69943580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 172368000

約数和(自身を除く): 102424420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 479, 490, 596, 745, 958, 980, 1043, 1490, 1916, 2086, 2395, 2980, 3353, 4172, 4790, 5215, 6706, 7301, 9580, 10430, 13412, 14602, 16765, 20860, 23471, 29204, 33530, 36505, 46942, 67060, 71371, 73010, 93884, 117355, 142742, 146020, 234710, 285484, 356855, 469420, 499597, 713710, 999194, 1427420, 1998388, 2497985, 3497179, 4995970, 6994358, 9991940, 13988716, 17485895, 34971790, 69943580]

約数ペア:

[(1, 69943580), (2, 34971790), (4, 17485895), (5, 13988716), (7, 9991940), (10, 6994358), (14, 4995970), (20, 3497179), (28, 2497985), (35, 1998388), (49, 1427420), (70, 999194), (98, 713710), (140, 499597), (149, 469420), (196, 356855), (245, 285484), (298, 234710), (479, 146020), (490, 142742), (596, 117355), (745, 93884), (958, 73010), (980, 71371), (1043, 67060), (1490, 46942), (1916, 36505), (2086, 33530), (2395, 29204), (2980, 23471), (3353, 20860), (4172, 16765), (4790, 14602), (5215, 13412), (6706, 10430), (7301, 9580)]