290687684

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 589881600

約数和(自身を除く): 299193916

約数列:

[1, 2, 4, 7, 14, 28, 151, 197, 302, 349, 394, 604, 698, 788, 1057, 1379, 1396, 2114, 2443, 2758, 4228, 4886, 5516, 9772, 29747, 52699, 59494, 68753, 105398, 118988, 137506, 208229, 210796, 275012, 368893, 416458, 481271, 737786, 832916, 962542, 1475572, 1925084, 10381703, 20763406, 41526812, 72671921, 145343842, 290687684]

約数ペア:

[(1, 290687684), (2, 145343842), (4, 72671921), (7, 41526812), (14, 20763406), (28, 10381703), (151, 1925084), (197, 1475572), (302, 962542), (349, 832916), (394, 737786), (604, 481271), (698, 416458), (788, 368893), (1057, 275012), (1379, 210796), (1396, 208229), (2114, 137506), (2443, 118988), (2758, 105398), (4228, 68753), (4886, 59494), (5516, 52699), (9772, 29747)]