397709850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^3\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 1030648320

約数和(自身を除く): 632938470

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 89, 93, 150, 155, 178, 186, 267, 310, 445, 465, 534, 775, 890, 930, 961, 1335, 1550, 1922, 2225, 2325, 2670, 2759, 2883, 4450, 4650, 4805, 5518, 5766, 6675, 8277, 9610, 13350, 13795, 14415, 16554, 24025, 27590, 28830, 29791, 41385, 48050, 59582, 68975, 72075, 82770, 85529, 89373, 137950, 144150, 148955, 171058, 178746, 206925, 256587, 297910, 413850, 427645, 446865, 513174, 744775, 855290, 893730, 1282935, 1489550, 2138225, 2234325, 2565870, 2651399, 4276450, 4468650, 5302798, 6414675, 7954197, 12829350, 13256995, 15908394, 26513990, 39770985, 66284975, 79541970, 132569950, 198854925, 397709850]

約数ペア:

[(1, 397709850), (2, 198854925), (3, 132569950), (5, 79541970), (6, 66284975), (10, 39770985), (15, 26513990), (25, 15908394), (30, 13256995), (31, 12829350), (50, 7954197), (62, 6414675), (75, 5302798), (89, 4468650), (93, 4276450), (150, 2651399), (155, 2565870), (178, 2234325), (186, 2138225), (267, 1489550), (310, 1282935), (445, 893730), (465, 855290), (534, 744775), (775, 513174), (890, 446865), (930, 427645), (961, 413850), (1335, 297910), (1550, 256587), (1922, 206925), (2225, 178746), (2325, 171058), (2670, 148955), (2759, 144150), (2883, 137950), (4450, 89373), (4650, 85529), (4805, 82770), (5518, 72075), (5766, 68975), (6675, 59582), (8277, 48050), (9610, 41385), (13350, 29791), (13795, 28830), (14415, 27590), (16554, 24025)]