129520340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 299376000

約数和(自身を除く): 169855660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 59, 76, 95, 106, 109, 118, 190, 212, 218, 236, 265, 295, 380, 436, 530, 545, 590, 1007, 1060, 1090, 1121, 1180, 2014, 2071, 2180, 2242, 3127, 4028, 4142, 4484, 5035, 5605, 5777, 6254, 6431, 8284, 10070, 10355, 11210, 11554, 12508, 12862, 15635, 20140, 20710, 22420, 23108, 25724, 28885, 31270, 32155, 41420, 57770, 59413, 62540, 64310, 109763, 115540, 118826, 122189, 128620, 219526, 237652, 244378, 297065, 340843, 439052, 488756, 548815, 594130, 610945, 681686, 1097630, 1188260, 1221890, 1363372, 1704215, 2195260, 2443780, 3408430, 6476017, 6816860, 12952034, 25904068, 32380085, 64760170, 129520340]

約数ペア:

[(1, 129520340), (2, 64760170), (4, 32380085), (5, 25904068), (10, 12952034), (19, 6816860), (20, 6476017), (38, 3408430), (53, 2443780), (59, 2195260), (76, 1704215), (95, 1363372), (106, 1221890), (109, 1188260), (118, 1097630), (190, 681686), (212, 610945), (218, 594130), (236, 548815), (265, 488756), (295, 439052), (380, 340843), (436, 297065), (530, 244378), (545, 237652), (590, 219526), (1007, 128620), (1060, 122189), (1090, 118826), (1121, 115540), (1180, 109763), (2014, 64310), (2071, 62540), (2180, 59413), (2242, 57770), (3127, 41420), (4028, 32155), (4142, 31270), (4484, 28885), (5035, 25724), (5605, 23108), (5777, 22420), (6254, 20710), (6431, 20140), (8284, 15635), (10070, 12862), (10355, 12508), (11210, 11554)]