210845240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 492069600

約数和(自身を除く): 281224360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 109, 148, 185, 218, 296, 370, 436, 545, 740, 872, 1090, 1307, 1480, 2180, 2614, 4033, 4360, 5228, 6535, 8066, 10456, 13070, 16132, 20165, 26140, 32264, 40330, 48359, 52280, 80660, 96718, 142463, 161320, 193436, 241795, 284926, 386872, 483590, 569852, 712315, 967180, 1139704, 1424630, 1934360, 2849260, 5271131, 5698520, 10542262, 21084524, 26355655, 42169048, 52711310, 105422620, 210845240]

約数ペア:

[(1, 210845240), (2, 105422620), (4, 52711310), (5, 42169048), (8, 26355655), (10, 21084524), (20, 10542262), (37, 5698520), (40, 5271131), (74, 2849260), (109, 1934360), (148, 1424630), (185, 1139704), (218, 967180), (296, 712315), (370, 569852), (436, 483590), (545, 386872), (740, 284926), (872, 241795), (1090, 193436), (1307, 161320), (1480, 142463), (2180, 96718), (2614, 80660), (4033, 52280), (4360, 48359), (5228, 40330), (6535, 32264), (8066, 26140), (10456, 20165), (13070, 16132)]