221470900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 598461696

約数和(自身を除く): 376990796

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 37, 50, 68, 70, 74, 85, 100, 119, 140, 148, 170, 175, 185, 238, 259, 340, 350, 370, 425, 476, 503, 518, 595, 629, 700, 740, 850, 925, 1006, 1036, 1190, 1258, 1295, 1700, 1850, 2012, 2380, 2515, 2516, 2590, 2975, 3145, 3521, 3700, 4403, 5030, 5180, 5950, 6290, 6475, 7042, 8551, 8806, 10060, 11900, 12575, 12580, 12950, 14084, 15725, 17102, 17605, 17612, 18611, 22015, 25150, 25900, 31450, 34204, 35210, 37222, 42755, 44030, 50300, 59857, 62900, 70420, 74444, 85510, 88025, 88060, 93055, 110075, 119714, 130277, 171020, 176050, 186110, 213775, 220150, 239428, 260554, 299285, 316387, 352100, 372220, 427550, 440300, 465275, 521108, 598570, 632774, 651385, 855100, 930550, 1197140, 1265548, 1302770, 1496425, 1581935, 1861100, 2214709, 2605540, 2992850, 3163870, 3256925, 4429418, 5985700, 6327740, 6513850, 7909675, 8858836, 11073545, 13027700, 15819350, 22147090, 31638700, 44294180, 55367725, 110735450, 221470900]

約数ペア:

[(1, 221470900), (2, 110735450), (4, 55367725), (5, 44294180), (7, 31638700), (10, 22147090), (14, 15819350), (17, 13027700), (20, 11073545), (25, 8858836), (28, 7909675), (34, 6513850), (35, 6327740), (37, 5985700), (50, 4429418), (68, 3256925), (70, 3163870), (74, 2992850), (85, 2605540), (100, 2214709), (119, 1861100), (140, 1581935), (148, 1496425), (170, 1302770), (175, 1265548), (185, 1197140), (238, 930550), (259, 855100), (340, 651385), (350, 632774), (370, 598570), (425, 521108), (476, 465275), (503, 440300), (518, 427550), (595, 372220), (629, 352100), (700, 316387), (740, 299285), (850, 260554), (925, 239428), (1006, 220150), (1036, 213775), (1190, 186110), (1258, 176050), (1295, 171020), (1700, 130277), (1850, 119714), (2012, 110075), (2380, 93055), (2515, 88060), (2516, 88025), (2590, 85510), (2975, 74444), (3145, 70420), (3521, 62900), (3700, 59857), (4403, 50300), (5030, 44030), (5180, 42755), (5950, 37222), (6290, 35210), (6475, 34204), (7042, 31450), (8551, 25900), (8806, 25150), (10060, 22015), (11900, 18611), (12575, 17612), (12580, 17605), (12950, 17102), (14084, 15725)]