282725371490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{37957}}^1$

素因数の和:38379

約数の個数: 64

約数和(自身を含む): 541129248000

約数和(自身を除く): 258403876510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 199, 394, 398, 985, 995, 1970, 1990, 3743, 3781, 7486, 7562, 18715, 18905, 37430, 37810, 37957, 39203, 75914, 78406, 189785, 196015, 379570, 392030, 721183, 744857, 1442366, 1489714, 3605915, 3724285, 7211830, 7448570, 7477529, 7553443, 14955058, 15106886, 37387645, 37767215, 74775290, 75534430, 142073051, 143515417, 284146102, 287030834, 710365255, 717577085, 1420730510, 1435154170, 1488028271, 2976056542, 7440141355, 14880282710, 28272537149, 56545074298, 141362685745, 282725371490]

約数ペア:

[(1, 282725371490), (2, 141362685745), (5, 56545074298), (10, 28272537149), (19, 14880282710), (38, 7440141355), (95, 2976056542), (190, 1488028271), (197, 1435154170), (199, 1420730510), (394, 717577085), (398, 710365255), (985, 287030834), (995, 284146102), (1970, 143515417), (1990, 142073051), (3743, 75534430), (3781, 74775290), (7486, 37767215), (7562, 37387645), (18715, 15106886), (18905, 14955058), (37430, 7553443), (37810, 7477529), (37957, 7448570), (39203, 7211830), (75914, 3724285), (78406, 3605915), (189785, 1489714), (196015, 1442366), (379570, 744857), (392030, 721183)]