28457660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 78962688

約数和(自身を除く): 50505028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 935, 1087, 1190, 1309, 1540, 1870, 2174, 2380, 2618, 3740, 4348, 5236, 5435, 6545, 7609, 10870, 11957, 13090, 15218, 18479, 21740, 23914, 26180, 30436, 36958, 38045, 47828, 59785, 73916, 76090, 83699, 92395, 119570, 129353, 152180, 167398, 184790, 203269, 239140, 258706, 334796, 369580, 406538, 418495, 517412, 646765, 813076, 836990, 1016345, 1293530, 1422883, 1673980, 2032690, 2587060, 2845766, 4065380, 5691532, 7114415, 14228830, 28457660]

約数ペア:

[(1, 28457660), (2, 14228830), (4, 7114415), (5, 5691532), (7, 4065380), (10, 2845766), (11, 2587060), (14, 2032690), (17, 1673980), (20, 1422883), (22, 1293530), (28, 1016345), (34, 836990), (35, 813076), (44, 646765), (55, 517412), (68, 418495), (70, 406538), (77, 369580), (85, 334796), (110, 258706), (119, 239140), (140, 203269), (154, 184790), (170, 167398), (187, 152180), (220, 129353), (238, 119570), (308, 92395), (340, 83699), (374, 76090), (385, 73916), (476, 59785), (595, 47828), (748, 38045), (770, 36958), (935, 30436), (1087, 26180), (1190, 23914), (1309, 21740), (1540, 18479), (1870, 15218), (2174, 13090), (2380, 11957), (2618, 10870), (3740, 7609), (4348, 6545), (5236, 5435)]