1310309980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{32611}}^1$

素因数の和:32675

約数の個数: 72

約数和(自身を含む): 3279071376

約数和(自身を除く): 1968761396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5740, 8036, 10045, 20090, 32611, 40180, 65222, 130444, 163055, 228277, 326110, 456554, 652220, 913108, 1141385, 1337051, 1597939, 2282770, 2674102, 3195878, 4565540, 5348204, 6391756, 6685255, 7989695, 9359357, 13370510, 15979390, 18718714, 26741020, 31958780, 37437428, 46796785, 65515499, 93593570, 131030998, 187187140, 262061996, 327577495, 655154990, 1310309980]

約数ペア:

[(1, 1310309980), (2, 655154990), (4, 327577495), (5, 262061996), (7, 187187140), (10, 131030998), (14, 93593570), (20, 65515499), (28, 46796785), (35, 37437428), (41, 31958780), (49, 26741020), (70, 18718714), (82, 15979390), (98, 13370510), (140, 9359357), (164, 7989695), (196, 6685255), (205, 6391756), (245, 5348204), (287, 4565540), (410, 3195878), (490, 2674102), (574, 2282770), (820, 1597939), (980, 1337051), (1148, 1141385), (1435, 913108), (2009, 652220), (2870, 456554), (4018, 326110), (5740, 228277), (8036, 163055), (10045, 130444), (20090, 65222), (32611, 40180)]