29108940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9901}}^1$

素因数の和:9927

約数の個数: 72

約数和(自身を含む): 94821552

約数和(自身を除く): 65712612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 9901, 19802, 29703, 39604, 49505, 59406, 69307, 99010, 118812, 138614, 148515, 198020, 207921, 277228, 297030, 346535, 415842, 485149, 594060, 693070, 831684, 970298, 1039605, 1386140, 1455447, 1940596, 2079210, 2425745, 2910894, 4158420, 4851490, 5821788, 7277235, 9702980, 14554470, 29108940]

約数ペア:

[(1, 29108940), (2, 14554470), (3, 9702980), (4, 7277235), (5, 5821788), (6, 4851490), (7, 4158420), (10, 2910894), (12, 2425745), (14, 2079210), (15, 1940596), (20, 1455447), (21, 1386140), (28, 1039605), (30, 970298), (35, 831684), (42, 693070), (49, 594060), (60, 485149), (70, 415842), (84, 346535), (98, 297030), (105, 277228), (140, 207921), (147, 198020), (196, 148515), (210, 138614), (245, 118812), (294, 99010), (420, 69307), (490, 59406), (588, 49505), (735, 39604), (980, 29703), (1470, 19802), (2940, 9901)]