78446620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 196213248

約数和(自身を除く): 117766628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 83, 86, 140, 157, 166, 172, 215, 301, 314, 332, 415, 430, 581, 602, 628, 785, 830, 860, 1099, 1162, 1204, 1505, 1570, 1660, 2198, 2324, 2905, 3010, 3140, 3569, 4396, 5495, 5810, 6020, 6751, 7138, 10990, 11620, 13031, 13502, 14276, 17845, 21980, 24983, 26062, 27004, 33755, 35690, 47257, 49966, 52124, 65155, 67510, 71380, 91217, 94514, 99932, 124915, 130310, 135020, 182434, 189028, 236285, 249830, 260620, 364868, 456085, 472570, 499660, 560333, 912170, 945140, 1120666, 1824340, 2241332, 2801665, 3922331, 5603330, 7844662, 11206660, 15689324, 19611655, 39223310, 78446620]

約数ペア:

[(1, 78446620), (2, 39223310), (4, 19611655), (5, 15689324), (7, 11206660), (10, 7844662), (14, 5603330), (20, 3922331), (28, 2801665), (35, 2241332), (43, 1824340), (70, 1120666), (83, 945140), (86, 912170), (140, 560333), (157, 499660), (166, 472570), (172, 456085), (215, 364868), (301, 260620), (314, 249830), (332, 236285), (415, 189028), (430, 182434), (581, 135020), (602, 130310), (628, 124915), (785, 99932), (830, 94514), (860, 91217), (1099, 71380), (1162, 67510), (1204, 65155), (1505, 52124), (1570, 49966), (1660, 47257), (2198, 35690), (2324, 33755), (2905, 27004), (3010, 26062), (3140, 24983), (3569, 21980), (4396, 17845), (5495, 14276), (5810, 13502), (6020, 13031), (6751, 11620), (7138, 10990)]