654323540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4001}}^1$

素因数の和:4077

約数の個数: 96

約数和(自身を含む): 1609572384

約数和(自身を除く): 955248844

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 37, 52, 65, 68, 74, 85, 130, 148, 170, 185, 221, 260, 340, 370, 442, 481, 629, 740, 884, 962, 1105, 1258, 1924, 2210, 2405, 2516, 3145, 4001, 4420, 4810, 6290, 8002, 8177, 9620, 12580, 16004, 16354, 20005, 32708, 40010, 40885, 52013, 68017, 80020, 81770, 104026, 136034, 148037, 163540, 208052, 260065, 272068, 296074, 340085, 520130, 592148, 680170, 740185, 884221, 1040260, 1360340, 1480370, 1768442, 1924481, 2516629, 2960740, 3536884, 3848962, 4421105, 5033258, 7697924, 8842210, 9622405, 10066516, 12583145, 17684420, 19244810, 25166290, 32716177, 38489620, 50332580, 65432354, 130864708, 163580885, 327161770, 654323540]

約数ペア:

[(1, 654323540), (2, 327161770), (4, 163580885), (5, 130864708), (10, 65432354), (13, 50332580), (17, 38489620), (20, 32716177), (26, 25166290), (34, 19244810), (37, 17684420), (52, 12583145), (65, 10066516), (68, 9622405), (74, 8842210), (85, 7697924), (130, 5033258), (148, 4421105), (170, 3848962), (185, 3536884), (221, 2960740), (260, 2516629), (340, 1924481), (370, 1768442), (442, 1480370), (481, 1360340), (629, 1040260), (740, 884221), (884, 740185), (962, 680170), (1105, 592148), (1258, 520130), (1924, 340085), (2210, 296074), (2405, 272068), (2516, 260065), (3145, 208052), (4001, 163540), (4420, 148037), (4810, 136034), (6290, 104026), (8002, 81770), (8177, 80020), (9620, 68017), (12580, 52013), (16004, 40885), (16354, 40010), (20005, 32708)]