249900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{17}}^1$

素因数の和:48

約数の個数: 108

約数和(自身を含む): 890568

約数和(自身を除く): 640668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 49, 50, 51, 60, 68, 70, 75, 84, 85, 98, 100, 102, 105, 119, 140, 147, 150, 170, 175, 196, 204, 210, 238, 245, 255, 294, 300, 340, 350, 357, 420, 425, 476, 490, 510, 525, 588, 595, 700, 714, 735, 833, 850, 980, 1020, 1050, 1190, 1225, 1275, 1428, 1470, 1666, 1700, 1785, 2100, 2380, 2450, 2499, 2550, 2940, 2975, 3332, 3570, 3675, 4165, 4900, 4998, 5100, 5950, 7140, 7350, 8330, 8925, 9996, 11900, 12495, 14700, 16660, 17850, 20825, 24990, 35700, 41650, 49980, 62475, 83300, 124950, 249900]

約数ペア:

[(1, 249900), (2, 124950), (3, 83300), (4, 62475), (5, 49980), (6, 41650), (7, 35700), (10, 24990), (12, 20825), (14, 17850), (15, 16660), (17, 14700), (20, 12495), (21, 11900), (25, 9996), (28, 8925), (30, 8330), (34, 7350), (35, 7140), (42, 5950), (49, 5100), (50, 4998), (51, 4900), (60, 4165), (68, 3675), (70, 3570), (75, 3332), (84, 2975), (85, 2940), (98, 2550), (100, 2499), (102, 2450), (105, 2380), (119, 2100), (140, 1785), (147, 1700), (150, 1666), (170, 1470), (175, 1428), (196, 1275), (204, 1225), (210, 1190), (238, 1050), (245, 1020), (255, 980), (294, 850), (300, 833), (340, 735), (350, 714), (357, 700), (420, 595), (425, 588), (476, 525), (490, 510)]