7807660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 19764864

約数和(自身を除く): 11957204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 257, 310, 434, 490, 514, 620, 868, 980, 1028, 1085, 1285, 1519, 1799, 2170, 2570, 3038, 3598, 4340, 5140, 6076, 7196, 7595, 7967, 8995, 12593, 15190, 15934, 17990, 25186, 30380, 31868, 35980, 39835, 50372, 55769, 62965, 79670, 111538, 125930, 159340, 223076, 251860, 278845, 390383, 557690, 780766, 1115380, 1561532, 1951915, 3903830, 7807660]

約数ペア:

[(1, 7807660), (2, 3903830), (4, 1951915), (5, 1561532), (7, 1115380), (10, 780766), (14, 557690), (20, 390383), (28, 278845), (31, 251860), (35, 223076), (49, 159340), (62, 125930), (70, 111538), (98, 79670), (124, 62965), (140, 55769), (155, 50372), (196, 39835), (217, 35980), (245, 31868), (257, 30380), (310, 25186), (434, 17990), (490, 15934), (514, 15190), (620, 12593), (868, 8995), (980, 7967), (1028, 7595), (1085, 7196), (1285, 6076), (1519, 5140), (1799, 4340), (2170, 3598), (2570, 3038)]