140848540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1423}}^1$

素因数の和:1547

約数の個数: 72

約数和(自身を含む): 347723712

約数和(自身を除く): 206875172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 707, 980, 1010, 1414, 1423, 2020, 2828, 2846, 3535, 4949, 5692, 7070, 7115, 9898, 9961, 14140, 14230, 19796, 19922, 24745, 28460, 39844, 49490, 49805, 69727, 98980, 99610, 139454, 143723, 199220, 278908, 287446, 348635, 574892, 697270, 718615, 1006061, 1394540, 1437230, 2012122, 2874460, 4024244, 5030305, 7042427, 10060610, 14084854, 20121220, 28169708, 35212135, 70424270, 140848540]

約数ペア:

[(1, 140848540), (2, 70424270), (4, 35212135), (5, 28169708), (7, 20121220), (10, 14084854), (14, 10060610), (20, 7042427), (28, 5030305), (35, 4024244), (49, 2874460), (70, 2012122), (98, 1437230), (101, 1394540), (140, 1006061), (196, 718615), (202, 697270), (245, 574892), (404, 348635), (490, 287446), (505, 278908), (707, 199220), (980, 143723), (1010, 139454), (1414, 99610), (1423, 98980), (2020, 69727), (2828, 49805), (2846, 49490), (3535, 39844), (4949, 28460), (5692, 24745), (7070, 19922), (7115, 19796), (9898, 14230), (9961, 14140)]