8481647580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20194399}}^1$

素因数の和:20194418

約数の個数: 48

約数和(自身を含む): 27141273600

約数和(自身を除く): 18659626020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20194399, 40388798, 60583197, 80777596, 100971995, 121166394, 141360793, 201943990, 242332788, 282721586, 302915985, 403887980, 424082379, 565443172, 605831970, 706803965, 848164758, 1211663940, 1413607930, 1696329516, 2120411895, 2827215860, 4240823790, 8481647580]

約数ペア:

[(1, 8481647580), (2, 4240823790), (3, 2827215860), (4, 2120411895), (5, 1696329516), (6, 1413607930), (7, 1211663940), (10, 848164758), (12, 706803965), (14, 605831970), (15, 565443172), (20, 424082379), (21, 403887980), (28, 302915985), (30, 282721586), (35, 242332788), (42, 201943990), (60, 141360793), (70, 121166394), (84, 100971995), (105, 80777596), (140, 60583197), (210, 40388798), (420, 20194399)]