2129540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 5429592

約数和(自身を除く): 3300052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 53, 70, 82, 98, 106, 140, 164, 196, 205, 212, 245, 265, 287, 371, 410, 490, 530, 574, 742, 820, 980, 1060, 1148, 1435, 1484, 1855, 2009, 2173, 2597, 2870, 3710, 4018, 4346, 5194, 5740, 7420, 8036, 8692, 10045, 10388, 10865, 12985, 15211, 20090, 21730, 25970, 30422, 40180, 43460, 51940, 60844, 76055, 106477, 152110, 212954, 304220, 425908, 532385, 1064770, 2129540]

約数ペア:

[(1, 2129540), (2, 1064770), (4, 532385), (5, 425908), (7, 304220), (10, 212954), (14, 152110), (20, 106477), (28, 76055), (35, 60844), (41, 51940), (49, 43460), (53, 40180), (70, 30422), (82, 25970), (98, 21730), (106, 20090), (140, 15211), (164, 12985), (196, 10865), (205, 10388), (212, 10045), (245, 8692), (265, 8036), (287, 7420), (371, 5740), (410, 5194), (490, 4346), (530, 4018), (574, 3710), (742, 2870), (820, 2597), (980, 2173), (1060, 2009), (1148, 1855), (1435, 1484)]