198961490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1669}}^1$

素因数の和:1827

約数の個数: 64

約数和(自身を含む): 444407040

約数和(自身を除く): 245445550

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 131, 182, 262, 455, 655, 910, 917, 1310, 1669, 1703, 1834, 3338, 3406, 4585, 8345, 8515, 9170, 11683, 11921, 16690, 17030, 21697, 23366, 23842, 43394, 58415, 59605, 108485, 116830, 119210, 151879, 216970, 218639, 303758, 437278, 759395, 1093195, 1518790, 1530473, 2186390, 2842307, 3060946, 5684614, 7652365, 14211535, 15304730, 19896149, 28423070, 39792298, 99480745, 198961490]

約数ペア:

[(1, 198961490), (2, 99480745), (5, 39792298), (7, 28423070), (10, 19896149), (13, 15304730), (14, 14211535), (26, 7652365), (35, 5684614), (65, 3060946), (70, 2842307), (91, 2186390), (130, 1530473), (131, 1518790), (182, 1093195), (262, 759395), (455, 437278), (655, 303758), (910, 218639), (917, 216970), (1310, 151879), (1669, 119210), (1703, 116830), (1834, 108485), (3338, 59605), (3406, 58415), (4585, 43394), (8345, 23842), (8515, 23366), (9170, 21697), (11683, 17030), (11921, 16690)]