31158100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 108

約数和(自身を含む): 76800640

約数和(自身を除く): 45642540

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 31, 38, 46, 50, 62, 76, 92, 95, 100, 115, 124, 155, 190, 230, 310, 380, 437, 460, 475, 529, 575, 589, 620, 713, 775, 874, 950, 1058, 1150, 1178, 1426, 1550, 1748, 1900, 2116, 2185, 2300, 2356, 2645, 2852, 2945, 3100, 3565, 4370, 5290, 5890, 7130, 8740, 10051, 10580, 10925, 11780, 13225, 13547, 14260, 14725, 16399, 17825, 20102, 21850, 26450, 27094, 29450, 32798, 35650, 40204, 43700, 50255, 52900, 54188, 58900, 65596, 67735, 71300, 81995, 100510, 135470, 163990, 201020, 251275, 270940, 311581, 327980, 338675, 409975, 502550, 623162, 677350, 819950, 1005100, 1246324, 1354700, 1557905, 1639900, 3115810, 6231620, 7789525, 15579050, 31158100]

約数ペア:

[(1, 31158100), (2, 15579050), (4, 7789525), (5, 6231620), (10, 3115810), (19, 1639900), (20, 1557905), (23, 1354700), (25, 1246324), (31, 1005100), (38, 819950), (46, 677350), (50, 623162), (62, 502550), (76, 409975), (92, 338675), (95, 327980), (100, 311581), (115, 270940), (124, 251275), (155, 201020), (190, 163990), (230, 135470), (310, 100510), (380, 81995), (437, 71300), (460, 67735), (475, 65596), (529, 58900), (575, 54188), (589, 52900), (620, 50255), (713, 43700), (775, 40204), (874, 35650), (950, 32798), (1058, 29450), (1150, 27094), (1178, 26450), (1426, 21850), (1550, 20102), (1748, 17825), (1900, 16399), (2116, 14725), (2185, 14260), (2300, 13547), (2356, 13225), (2645, 11780), (2852, 10925), (2945, 10580), (3100, 10051), (3565, 8740), (4370, 7130), (5290, 5890)]