28831550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 64281600

約数和(自身を除く): 35450050

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 31, 38, 50, 55, 62, 89, 95, 110, 155, 178, 190, 209, 275, 310, 341, 418, 445, 475, 550, 589, 682, 775, 890, 950, 979, 1045, 1178, 1550, 1691, 1705, 1958, 2090, 2225, 2759, 2945, 3382, 3410, 4450, 4895, 5225, 5518, 5890, 6479, 8455, 8525, 9790, 10450, 12958, 13795, 14725, 16910, 17050, 18601, 24475, 27590, 29450, 30349, 32395, 37202, 42275, 48950, 52421, 60698, 64790, 68975, 84550, 93005, 104842, 137950, 151745, 161975, 186010, 262105, 303490, 323950, 465025, 524210, 576631, 758725, 930050, 1153262, 1310525, 1517450, 2621050, 2883155, 5766310, 14415775, 28831550]

約数ペア:

[(1, 28831550), (2, 14415775), (5, 5766310), (10, 2883155), (11, 2621050), (19, 1517450), (22, 1310525), (25, 1153262), (31, 930050), (38, 758725), (50, 576631), (55, 524210), (62, 465025), (89, 323950), (95, 303490), (110, 262105), (155, 186010), (178, 161975), (190, 151745), (209, 137950), (275, 104842), (310, 93005), (341, 84550), (418, 68975), (445, 64790), (475, 60698), (550, 52421), (589, 48950), (682, 42275), (775, 37202), (890, 32395), (950, 30349), (979, 29450), (1045, 27590), (1178, 24475), (1550, 18601), (1691, 17050), (1705, 16910), (1958, 14725), (2090, 13795), (2225, 12958), (2759, 10450), (2945, 9790), (3382, 8525), (3410, 8455), (4450, 6479), (4895, 5890), (5225, 5518)]