40238940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:811

約数の個数: 96

約数和(自身を含む): 129830400

約数和(自身を除く): 89591460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 596, 643, 745, 894, 1043, 1286, 1490, 1788, 1929, 2086, 2235, 2572, 2980, 3129, 3215, 3858, 4172, 4470, 4501, 5215, 6258, 6430, 7716, 8940, 9002, 9645, 10430, 12516, 12860, 13503, 15645, 18004, 19290, 20860, 22505, 27006, 31290, 38580, 45010, 54012, 62580, 67515, 90020, 95807, 135030, 191614, 270060, 287421, 383228, 479035, 574842, 670649, 958070, 1149684, 1341298, 1437105, 1916140, 2011947, 2682596, 2874210, 3353245, 4023894, 5748420, 6706490, 8047788, 10059735, 13412980, 20119470, 40238940]

約数ペア:

[(1, 40238940), (2, 20119470), (3, 13412980), (4, 10059735), (5, 8047788), (6, 6706490), (7, 5748420), (10, 4023894), (12, 3353245), (14, 2874210), (15, 2682596), (20, 2011947), (21, 1916140), (28, 1437105), (30, 1341298), (35, 1149684), (42, 958070), (60, 670649), (70, 574842), (84, 479035), (105, 383228), (140, 287421), (149, 270060), (210, 191614), (298, 135030), (420, 95807), (447, 90020), (596, 67515), (643, 62580), (745, 54012), (894, 45010), (1043, 38580), (1286, 31290), (1490, 27006), (1788, 22505), (1929, 20860), (2086, 19290), (2235, 18004), (2572, 15645), (2980, 13503), (3129, 12860), (3215, 12516), (3858, 10430), (4172, 9645), (4470, 9002), (4501, 8940), (5215, 7716), (6258, 6430)]