721570100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9871}}^1$

素因数の和:9945

約数の個数: 72

約数和(自身を含む): 1696641408

約数和(自身を除く): 975071308

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 43, 50, 68, 85, 86, 100, 170, 172, 215, 340, 425, 430, 731, 850, 860, 1075, 1462, 1700, 2150, 2924, 3655, 4300, 7310, 9871, 14620, 18275, 19742, 36550, 39484, 49355, 73100, 98710, 167807, 197420, 246775, 335614, 424453, 493550, 671228, 839035, 848906, 987100, 1678070, 1697812, 2122265, 3356140, 4195175, 4244530, 7215701, 8390350, 8489060, 10611325, 14431402, 16780700, 21222650, 28862804, 36078505, 42445300, 72157010, 144314020, 180392525, 360785050, 721570100]

約数ペア:

[(1, 721570100), (2, 360785050), (4, 180392525), (5, 144314020), (10, 72157010), (17, 42445300), (20, 36078505), (25, 28862804), (34, 21222650), (43, 16780700), (50, 14431402), (68, 10611325), (85, 8489060), (86, 8390350), (100, 7215701), (170, 4244530), (172, 4195175), (215, 3356140), (340, 2122265), (425, 1697812), (430, 1678070), (731, 987100), (850, 848906), (860, 839035), (1075, 671228), (1462, 493550), (1700, 424453), (2150, 335614), (2924, 246775), (3655, 197420), (4300, 167807), (7310, 98710), (9871, 73100), (14620, 49355), (18275, 39484), (19742, 36550)]