28179620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 71909376

約数和(自身を除く): 43729756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 62, 70, 86, 124, 140, 151, 155, 172, 215, 217, 301, 302, 310, 430, 434, 602, 604, 620, 755, 860, 868, 1057, 1085, 1204, 1333, 1505, 1510, 2114, 2170, 2666, 3010, 3020, 4228, 4340, 4681, 5285, 5332, 6020, 6493, 6665, 9331, 9362, 10570, 12986, 13330, 18662, 18724, 21140, 23405, 25972, 26660, 32465, 32767, 37324, 45451, 46655, 46810, 64930, 65534, 90902, 93310, 93620, 129860, 131068, 163835, 181804, 186620, 201283, 227255, 327670, 402566, 454510, 655340, 805132, 909020, 1006415, 1408981, 2012830, 2817962, 4025660, 5635924, 7044905, 14089810, 28179620]

約数ペア:

[(1, 28179620), (2, 14089810), (4, 7044905), (5, 5635924), (7, 4025660), (10, 2817962), (14, 2012830), (20, 1408981), (28, 1006415), (31, 909020), (35, 805132), (43, 655340), (62, 454510), (70, 402566), (86, 327670), (124, 227255), (140, 201283), (151, 186620), (155, 181804), (172, 163835), (215, 131068), (217, 129860), (301, 93620), (302, 93310), (310, 90902), (430, 65534), (434, 64930), (602, 46810), (604, 46655), (620, 45451), (755, 37324), (860, 32767), (868, 32465), (1057, 26660), (1085, 25972), (1204, 23405), (1333, 21140), (1505, 18724), (1510, 18662), (2114, 13330), (2170, 12986), (2666, 10570), (3010, 9362), (3020, 9331), (4228, 6665), (4340, 6493), (4681, 6020), (5285, 5332)]