245810460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{83609}}^1$

素因数の和:83635

約数の個数: 72

約数和(自身を含む): 800649360

約数和(自身を除く): 554838900

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, 83609, 167218, 250827, 334436, 418045, 501654, 585263, 836090, 1003308, 1170526, 1254135, 1672180, 1755789, 2341052, 2508270, 2926315, 3511578, 4096841, 5016540, 5852630, 7023156, 8193682, 8778945, 11705260, 12290523, 16387364, 17557890, 20484205, 24581046, 35115780, 40968410, 49162092, 61452615, 81936820, 122905230, 245810460]

約数ペア:

[(1, 245810460), (2, 122905230), (3, 81936820), (4, 61452615), (5, 49162092), (6, 40968410), (7, 35115780), (10, 24581046), (12, 20484205), (14, 17557890), (15, 16387364), (20, 12290523), (21, 11705260), (28, 8778945), (30, 8193682), (35, 7023156), (42, 5852630), (49, 5016540), (60, 4096841), (70, 3511578), (84, 2926315), (98, 2508270), (105, 2341052), (140, 1755789), (147, 1672180), (196, 1254135), (210, 1170526), (245, 1003308), (294, 836090), (420, 585263), (490, 501654), (588, 418045), (735, 334436), (980, 250827), (1470, 167218), (2940, 83609)]