9712780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 27923616

約数和(自身を除く): 18210836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 49, 53, 55, 68, 70, 77, 85, 98, 106, 110, 119, 140, 154, 170, 187, 196, 212, 220, 238, 245, 265, 308, 340, 371, 374, 385, 476, 490, 530, 539, 583, 595, 742, 748, 770, 833, 901, 935, 980, 1060, 1078, 1166, 1190, 1309, 1484, 1540, 1666, 1802, 1855, 1870, 2156, 2332, 2380, 2597, 2618, 2695, 2915, 3332, 3604, 3710, 3740, 4081, 4165, 4505, 5194, 5236, 5390, 5830, 6307, 6545, 7420, 8162, 8330, 9010, 9163, 9911, 10388, 10780, 11660, 12614, 12985, 13090, 16324, 16660, 18020, 18326, 19822, 20405, 25228, 25970, 26180, 28567, 31535, 36652, 39644, 40810, 44149, 45815, 49555, 51940, 57134, 63070, 69377, 81620, 88298, 91630, 99110, 114268, 126140, 138754, 142835, 176596, 183260, 198220, 220745, 277508, 285670, 346885, 441490, 485639, 571340, 693770, 882980, 971278, 1387540, 1942556, 2428195, 4856390, 9712780]

約数ペア:

[(1, 9712780), (2, 4856390), (4, 2428195), (5, 1942556), (7, 1387540), (10, 971278), (11, 882980), (14, 693770), (17, 571340), (20, 485639), (22, 441490), (28, 346885), (34, 285670), (35, 277508), (44, 220745), (49, 198220), (53, 183260), (55, 176596), (68, 142835), (70, 138754), (77, 126140), (85, 114268), (98, 99110), (106, 91630), (110, 88298), (119, 81620), (140, 69377), (154, 63070), (170, 57134), (187, 51940), (196, 49555), (212, 45815), (220, 44149), (238, 40810), (245, 39644), (265, 36652), (308, 31535), (340, 28567), (371, 26180), (374, 25970), (385, 25228), (476, 20405), (490, 19822), (530, 18326), (539, 18020), (583, 16660), (595, 16324), (742, 13090), (748, 12985), (770, 12614), (833, 11660), (901, 10780), (935, 10388), (980, 9911), (1060, 9163), (1078, 9010), (1166, 8330), (1190, 8162), (1309, 7420), (1484, 6545), (1540, 6307), (1666, 5830), (1802, 5390), (1855, 5236), (1870, 5194), (2156, 4505), (2332, 4165), (2380, 4081), (2597, 3740), (2618, 3710), (2695, 3604), (2915, 3332)]