645366950

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1753}}^1$

素因数の和:2001

約数の個数: 48

約数和(自身を含む): 1239727200

約数和(自身を除く): 594360250

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 185, 199, 370, 398, 925, 995, 1753, 1850, 1990, 3506, 4975, 7363, 8765, 9950, 14726, 17530, 36815, 43825, 64861, 73630, 87650, 129722, 184075, 324305, 348847, 368150, 648610, 697694, 1621525, 1744235, 3243050, 3488470, 8721175, 12907339, 17442350, 25814678, 64536695, 129073390, 322683475, 645366950]

約数ペア:

[(1, 645366950), (2, 322683475), (5, 129073390), (10, 64536695), (25, 25814678), (37, 17442350), (50, 12907339), (74, 8721175), (185, 3488470), (199, 3243050), (370, 1744235), (398, 1621525), (925, 697694), (995, 648610), (1753, 368150), (1850, 348847), (1990, 324305), (3506, 184075), (4975, 129722), (7363, 87650), (8765, 73630), (9950, 64861), (14726, 43825), (17530, 36815)]