260384740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:866

約数の個数: 144

約数和(自身を含む): 723945600

約数和(自身を除く): 463560860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 121, 133, 140, 154, 190, 209, 220, 242, 266, 308, 380, 385, 418, 484, 532, 605, 665, 770, 809, 836, 847, 1045, 1210, 1330, 1463, 1540, 1618, 1694, 2090, 2299, 2420, 2660, 2926, 3236, 3388, 4045, 4180, 4235, 4598, 5663, 5852, 7315, 8090, 8470, 8899, 9196, 11326, 11495, 14630, 15371, 16093, 16180, 16940, 17798, 22652, 22990, 28315, 29260, 30742, 32186, 35596, 44495, 45980, 56630, 61484, 62293, 64372, 76855, 80465, 88990, 97889, 107597, 113260, 124586, 153710, 160930, 169081, 177980, 195778, 215194, 249172, 307420, 311465, 321860, 338162, 391556, 430388, 489445, 537985, 622930, 676324, 685223, 845405, 978890, 1075970, 1183567, 1245860, 1370446, 1690810, 1859891, 1957780, 2151940, 2367134, 2740892, 3381620, 3426115, 3719782, 4734268, 5917835, 6852230, 7439564, 9299455, 11835670, 13019237, 13704460, 18598910, 23671340, 26038474, 37197820, 52076948, 65096185, 130192370, 260384740]

約数ペア:

[(1, 260384740), (2, 130192370), (4, 65096185), (5, 52076948), (7, 37197820), (10, 26038474), (11, 23671340), (14, 18598910), (19, 13704460), (20, 13019237), (22, 11835670), (28, 9299455), (35, 7439564), (38, 6852230), (44, 5917835), (55, 4734268), (70, 3719782), (76, 3426115), (77, 3381620), (95, 2740892), (110, 2367134), (121, 2151940), (133, 1957780), (140, 1859891), (154, 1690810), (190, 1370446), (209, 1245860), (220, 1183567), (242, 1075970), (266, 978890), (308, 845405), (380, 685223), (385, 676324), (418, 622930), (484, 537985), (532, 489445), (605, 430388), (665, 391556), (770, 338162), (809, 321860), (836, 311465), (847, 307420), (1045, 249172), (1210, 215194), (1330, 195778), (1463, 177980), (1540, 169081), (1618, 160930), (1694, 153710), (2090, 124586), (2299, 113260), (2420, 107597), (2660, 97889), (2926, 88990), (3236, 80465), (3388, 76855), (4045, 64372), (4180, 62293), (4235, 61484), (4598, 56630), (5663, 45980), (5852, 44495), (7315, 35596), (8090, 32186), (8470, 30742), (8899, 29260), (9196, 28315), (11326, 22990), (11495, 22652), (14630, 17798), (15371, 16940), (16093, 16180)]