989819150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{14851}}^1$

素因数の和:14937

約数の個数: 48

約数和(自身を含む): 1944780288

約数和(自身を除く): 954961138

約数列:

[1, 2, 5, 10, 25, 31, 43, 50, 62, 86, 155, 215, 310, 430, 775, 1075, 1333, 1550, 2150, 2666, 6665, 13330, 14851, 29702, 33325, 66650, 74255, 148510, 371275, 460381, 638593, 742550, 920762, 1277186, 2301905, 3192965, 4603810, 6385930, 11509525, 15964825, 19796383, 23019050, 31929650, 39592766, 98981915, 197963830, 494909575, 989819150]

約数ペア:

[(1, 989819150), (2, 494909575), (5, 197963830), (10, 98981915), (25, 39592766), (31, 31929650), (43, 23019050), (50, 19796383), (62, 15964825), (86, 11509525), (155, 6385930), (215, 4603810), (310, 3192965), (430, 2301905), (775, 1277186), (1075, 920762), (1333, 742550), (1550, 638593), (2150, 460381), (2666, 371275), (6665, 148510), (13330, 74255), (14851, 66650), (29702, 33325)]