131148500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 342839952

約数和(自身を除く): 211691452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 53, 70, 98, 100, 101, 106, 125, 140, 175, 196, 202, 212, 245, 250, 265, 350, 371, 404, 490, 500, 505, 530, 700, 707, 742, 875, 980, 1010, 1060, 1225, 1325, 1414, 1484, 1750, 1855, 2020, 2450, 2525, 2597, 2650, 2828, 3500, 3535, 3710, 4900, 4949, 5050, 5194, 5300, 5353, 6125, 6625, 7070, 7420, 9275, 9898, 10100, 10388, 10706, 12250, 12625, 12985, 13250, 14140, 17675, 18550, 19796, 21412, 24500, 24745, 25250, 25970, 26500, 26765, 35350, 37100, 37471, 46375, 49490, 50500, 51940, 53530, 64925, 70700, 74942, 88375, 92750, 98980, 107060, 123725, 129850, 133825, 149884, 176750, 185500, 187355, 247450, 259700, 262297, 267650, 324625, 353500, 374710, 494900, 524594, 535300, 618625, 649250, 669125, 749420, 936775, 1049188, 1237250, 1298500, 1311485, 1338250, 1873550, 2474500, 2622970, 2676500, 3747100, 4683875, 5245940, 6557425, 9367750, 13114850, 18735500, 26229700, 32787125, 65574250, 131148500]

約数ペア:

[(1, 131148500), (2, 65574250), (4, 32787125), (5, 26229700), (7, 18735500), (10, 13114850), (14, 9367750), (20, 6557425), (25, 5245940), (28, 4683875), (35, 3747100), (49, 2676500), (50, 2622970), (53, 2474500), (70, 1873550), (98, 1338250), (100, 1311485), (101, 1298500), (106, 1237250), (125, 1049188), (140, 936775), (175, 749420), (196, 669125), (202, 649250), (212, 618625), (245, 535300), (250, 524594), (265, 494900), (350, 374710), (371, 353500), (404, 324625), (490, 267650), (500, 262297), (505, 259700), (530, 247450), (700, 187355), (707, 185500), (742, 176750), (875, 149884), (980, 133825), (1010, 129850), (1060, 123725), (1225, 107060), (1325, 98980), (1414, 92750), (1484, 88375), (1750, 74942), (1855, 70700), (2020, 64925), (2450, 53530), (2525, 51940), (2597, 50500), (2650, 49490), (2828, 46375), (3500, 37471), (3535, 37100), (3710, 35350), (4900, 26765), (4949, 26500), (5050, 25970), (5194, 25250), (5300, 24745), (5353, 24500), (6125, 21412), (6625, 19796), (7070, 18550), (7420, 17675), (9275, 14140), (9898, 13250), (10100, 12985), (10388, 12625), (10706, 12250)]