28395500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 77182560

約数和(自身を除く): 48787060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 61, 70, 76, 95, 98, 100, 122, 125, 133, 140, 175, 190, 196, 244, 245, 250, 266, 305, 350, 380, 427, 475, 490, 500, 532, 610, 665, 700, 854, 875, 931, 950, 980, 1159, 1220, 1225, 1330, 1525, 1708, 1750, 1862, 1900, 2135, 2318, 2375, 2450, 2660, 2989, 3050, 3325, 3500, 3724, 4270, 4636, 4655, 4750, 4900, 5795, 5978, 6100, 6125, 6650, 7625, 8113, 8540, 9310, 9500, 10675, 11590, 11956, 12250, 13300, 14945, 15250, 16226, 16625, 18620, 21350, 23180, 23275, 24500, 28975, 29890, 30500, 32452, 33250, 40565, 42700, 46550, 53375, 56791, 57950, 59780, 66500, 74725, 81130, 93100, 106750, 113582, 115900, 116375, 144875, 149450, 162260, 202825, 213500, 227164, 232750, 283955, 289750, 298900, 373625, 405650, 465500, 567910, 579500, 747250, 811300, 1014125, 1135820, 1419775, 1494500, 2028250, 2839550, 4056500, 5679100, 7098875, 14197750, 28395500]

約数ペア:

[(1, 28395500), (2, 14197750), (4, 7098875), (5, 5679100), (7, 4056500), (10, 2839550), (14, 2028250), (19, 1494500), (20, 1419775), (25, 1135820), (28, 1014125), (35, 811300), (38, 747250), (49, 579500), (50, 567910), (61, 465500), (70, 405650), (76, 373625), (95, 298900), (98, 289750), (100, 283955), (122, 232750), (125, 227164), (133, 213500), (140, 202825), (175, 162260), (190, 149450), (196, 144875), (244, 116375), (245, 115900), (250, 113582), (266, 106750), (305, 93100), (350, 81130), (380, 74725), (427, 66500), (475, 59780), (490, 57950), (500, 56791), (532, 53375), (610, 46550), (665, 42700), (700, 40565), (854, 33250), (875, 32452), (931, 30500), (950, 29890), (980, 28975), (1159, 24500), (1220, 23275), (1225, 23180), (1330, 21350), (1525, 18620), (1708, 16625), (1750, 16226), (1862, 15250), (1900, 14945), (2135, 13300), (2318, 12250), (2375, 11956), (2450, 11590), (2660, 10675), (2989, 9500), (3050, 9310), (3325, 8540), (3500, 8113), (3724, 7625), (4270, 6650), (4636, 6125), (4655, 6100), (4750, 5978), (4900, 5795)]