49688940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{16901}}^1$

素因数の和:16927

約数の個数: 72

約数和(自身を含む): 161853552

約数和(自身を除く): 112164612

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, 16901, 33802, 50703, 67604, 84505, 101406, 118307, 169010, 202812, 236614, 253515, 338020, 354921, 473228, 507030, 591535, 709842, 828149, 1014060, 1183070, 1419684, 1656298, 1774605, 2366140, 2484447, 3312596, 3549210, 4140745, 4968894, 7098420, 8281490, 9937788, 12422235, 16562980, 24844470, 49688940]

約数ペア:

[(1, 49688940), (2, 24844470), (3, 16562980), (4, 12422235), (5, 9937788), (6, 8281490), (7, 7098420), (10, 4968894), (12, 4140745), (14, 3549210), (15, 3312596), (20, 2484447), (21, 2366140), (28, 1774605), (30, 1656298), (35, 1419684), (42, 1183070), (49, 1014060), (60, 828149), (70, 709842), (84, 591535), (98, 507030), (105, 473228), (140, 354921), (147, 338020), (196, 253515), (210, 236614), (245, 202812), (294, 169010), (420, 118307), (490, 101406), (588, 84505), (735, 67604), (980, 50703), (1470, 33802), (2940, 16901)]