18686100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 54510400

約数和(自身を除く): 35824300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 199, 300, 313, 398, 597, 626, 796, 939, 995, 1194, 1252, 1565, 1878, 1990, 2388, 2985, 3130, 3756, 3980, 4695, 4975, 5970, 6260, 7825, 9390, 9950, 11940, 14925, 15650, 18780, 19900, 23475, 29850, 31300, 46950, 59700, 62287, 93900, 124574, 186861, 249148, 311435, 373722, 622870, 747444, 934305, 1245740, 1557175, 1868610, 3114350, 3737220, 4671525, 6228700, 9343050, 18686100]

約数ペア:

[(1, 18686100), (2, 9343050), (3, 6228700), (4, 4671525), (5, 3737220), (6, 3114350), (10, 1868610), (12, 1557175), (15, 1245740), (20, 934305), (25, 747444), (30, 622870), (50, 373722), (60, 311435), (75, 249148), (100, 186861), (150, 124574), (199, 93900), (300, 62287), (313, 59700), (398, 46950), (597, 31300), (626, 29850), (796, 23475), (939, 19900), (995, 18780), (1194, 15650), (1252, 14925), (1565, 11940), (1878, 9950), (1990, 9390), (2388, 7825), (2985, 6260), (3130, 5970), (3756, 4975), (3980, 4695)]