317428651150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{12457}}^1$

素因数の和:12878

約数の個数: 96

約数和(自身を含む): 642324513600

約数和(自身を除く): 324895862450

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 197, 199, 325, 394, 398, 650, 985, 995, 1970, 1990, 2561, 2587, 4925, 4975, 5122, 5174, 9850, 9950, 12457, 12805, 12935, 24914, 25610, 25870, 39203, 62285, 64025, 64675, 78406, 124570, 128050, 129350, 161941, 196015, 311425, 323882, 392030, 509639, 622850, 809705, 980075, 1019278, 1619410, 1960150, 2454029, 2478943, 2548195, 4048525, 4908058, 4957886, 5096390, 8097050, 12270145, 12394715, 12740975, 24540290, 24789430, 25481950, 31902377, 32226259, 61350725, 61973575, 63804754, 64452518, 122701450, 123947150, 159511885, 161131295, 319023770, 322262590, 488351771, 797559425, 805656475, 976703542, 1595118850, 1611312950, 2441758855, 4883517710, 6348573023, 12208794275, 12697146046, 24417588550, 31742865115, 63485730230, 158714325575, 317428651150]

約数ペア:

[(1, 317428651150), (2, 158714325575), (5, 63485730230), (10, 31742865115), (13, 24417588550), (25, 12697146046), (26, 12208794275), (50, 6348573023), (65, 4883517710), (130, 2441758855), (197, 1611312950), (199, 1595118850), (325, 976703542), (394, 805656475), (398, 797559425), (650, 488351771), (985, 322262590), (995, 319023770), (1970, 161131295), (1990, 159511885), (2561, 123947150), (2587, 122701450), (4925, 64452518), (4975, 63804754), (5122, 61973575), (5174, 61350725), (9850, 32226259), (9950, 31902377), (12457, 25481950), (12805, 24789430), (12935, 24540290), (24914, 12740975), (25610, 12394715), (25870, 12270145), (39203, 8097050), (62285, 5096390), (64025, 4957886), (64675, 4908058), (78406, 4048525), (124570, 2548195), (128050, 2478943), (129350, 2454029), (161941, 1960150), (196015, 1619410), (311425, 1019278), (323882, 980075), (392030, 809705), (509639, 622850)]