30257500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 180

約数和(自身を含む): 87253320

約数和(自身を除く): 56995820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 49, 50, 52, 65, 70, 76, 91, 95, 98, 100, 125, 130, 133, 140, 175, 182, 190, 196, 245, 247, 250, 260, 266, 325, 350, 364, 380, 455, 475, 490, 494, 500, 532, 625, 637, 650, 665, 700, 875, 910, 931, 950, 980, 988, 1225, 1235, 1250, 1274, 1300, 1330, 1625, 1729, 1750, 1820, 1862, 1900, 2275, 2375, 2450, 2470, 2500, 2548, 2660, 3185, 3250, 3325, 3458, 3500, 3724, 4375, 4550, 4655, 4750, 4900, 4940, 6125, 6175, 6370, 6500, 6650, 6916, 8125, 8645, 8750, 9100, 9310, 9500, 11375, 11875, 12103, 12250, 12350, 12740, 13300, 15925, 16250, 16625, 17290, 17500, 18620, 22750, 23275, 23750, 24206, 24500, 24700, 30625, 30875, 31850, 32500, 33250, 34580, 43225, 45500, 46550, 47500, 48412, 56875, 60515, 61250, 61750, 63700, 66500, 79625, 83125, 86450, 93100, 113750, 116375, 121030, 122500, 123500, 154375, 159250, 166250, 172900, 216125, 227500, 232750, 242060, 302575, 308750, 318500, 332500, 398125, 432250, 465500, 581875, 605150, 617500, 796250, 864500, 1080625, 1163750, 1210300, 1512875, 1592500, 2161250, 2327500, 3025750, 4322500, 6051500, 7564375, 15128750, 30257500]

約数ペア:

[(1, 30257500), (2, 15128750), (4, 7564375), (5, 6051500), (7, 4322500), (10, 3025750), (13, 2327500), (14, 2161250), (19, 1592500), (20, 1512875), (25, 1210300), (26, 1163750), (28, 1080625), (35, 864500), (38, 796250), (49, 617500), (50, 605150), (52, 581875), (65, 465500), (70, 432250), (76, 398125), (91, 332500), (95, 318500), (98, 308750), (100, 302575), (125, 242060), (130, 232750), (133, 227500), (140, 216125), (175, 172900), (182, 166250), (190, 159250), (196, 154375), (245, 123500), (247, 122500), (250, 121030), (260, 116375), (266, 113750), (325, 93100), (350, 86450), (364, 83125), (380, 79625), (455, 66500), (475, 63700), (490, 61750), (494, 61250), (500, 60515), (532, 56875), (625, 48412), (637, 47500), (650, 46550), (665, 45500), (700, 43225), (875, 34580), (910, 33250), (931, 32500), (950, 31850), (980, 30875), (988, 30625), (1225, 24700), (1235, 24500), (1250, 24206), (1274, 23750), (1300, 23275), (1330, 22750), (1625, 18620), (1729, 17500), (1750, 17290), (1820, 16625), (1862, 16250), (1900, 15925), (2275, 13300), (2375, 12740), (2450, 12350), (2470, 12250), (2500, 12103), (2548, 11875), (2660, 11375), (3185, 9500), (3250, 9310), (3325, 9100), (3458, 8750), (3500, 8645), (3724, 8125), (4375, 6916), (4550, 6650), (4655, 6500), (4750, 6370), (4900, 6175), (4940, 6125)]