31631900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 75932640

約数和(自身を除く): 44300740

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 115, 170, 230, 340, 391, 425, 460, 575, 782, 809, 850, 1150, 1564, 1618, 1700, 1955, 2300, 3236, 3910, 4045, 7820, 8090, 9775, 13753, 16180, 18607, 19550, 20225, 27506, 37214, 39100, 40450, 55012, 68765, 74428, 80900, 93035, 137530, 186070, 275060, 316319, 343825, 372140, 465175, 632638, 687650, 930350, 1265276, 1375300, 1581595, 1860700, 3163190, 6326380, 7907975, 15815950, 31631900]

約数ペア:

[(1, 31631900), (2, 15815950), (4, 7907975), (5, 6326380), (10, 3163190), (17, 1860700), (20, 1581595), (23, 1375300), (25, 1265276), (34, 930350), (46, 687650), (50, 632638), (68, 465175), (85, 372140), (92, 343825), (100, 316319), (115, 275060), (170, 186070), (230, 137530), (340, 93035), (391, 80900), (425, 74428), (460, 68765), (575, 55012), (782, 40450), (809, 39100), (850, 37214), (1150, 27506), (1564, 20225), (1618, 19550), (1700, 18607), (1955, 16180), (2300, 13753), (3236, 9775), (3910, 8090), (4045, 7820)]