31423150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 69995520

約数和(自身を除く): 38572370

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 31, 38, 50, 55, 62, 95, 97, 110, 155, 190, 194, 209, 275, 310, 341, 418, 475, 485, 550, 589, 682, 775, 950, 970, 1045, 1067, 1178, 1550, 1705, 1843, 2090, 2134, 2425, 2945, 3007, 3410, 3686, 4850, 5225, 5335, 5890, 6014, 6479, 8525, 9215, 10450, 10670, 12958, 14725, 15035, 17050, 18430, 20273, 26675, 29450, 30070, 32395, 33077, 40546, 46075, 53350, 57133, 64790, 66154, 75175, 92150, 101365, 114266, 150350, 161975, 165385, 202730, 285665, 323950, 330770, 506825, 571330, 628463, 826925, 1013650, 1256926, 1428325, 1653850, 2856650, 3142315, 6284630, 15711575, 31423150]

約数ペア:

[(1, 31423150), (2, 15711575), (5, 6284630), (10, 3142315), (11, 2856650), (19, 1653850), (22, 1428325), (25, 1256926), (31, 1013650), (38, 826925), (50, 628463), (55, 571330), (62, 506825), (95, 330770), (97, 323950), (110, 285665), (155, 202730), (190, 165385), (194, 161975), (209, 150350), (275, 114266), (310, 101365), (341, 92150), (418, 75175), (475, 66154), (485, 64790), (550, 57133), (589, 53350), (682, 46075), (775, 40546), (950, 33077), (970, 32395), (1045, 30070), (1067, 29450), (1178, 26675), (1550, 20273), (1705, 18430), (1843, 17050), (2090, 15035), (2134, 14725), (2425, 12958), (2945, 10670), (3007, 10450), (3410, 9215), (3686, 8525), (4850, 6479), (5225, 6014), (5335, 5890)]