221301920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 192

約数和(自身を含む): 646652160

約数和(自身を除く): 425350240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 59, 68, 70, 80, 85, 112, 118, 119, 136, 140, 160, 170, 197, 224, 236, 238, 272, 280, 295, 340, 394, 413, 472, 476, 544, 560, 590, 595, 680, 788, 826, 944, 952, 985, 1003, 1120, 1180, 1190, 1360, 1379, 1576, 1652, 1888, 1904, 1970, 2006, 2065, 2360, 2380, 2720, 2758, 3152, 3304, 3349, 3808, 3940, 4012, 4130, 4720, 4760, 5015, 5516, 6304, 6608, 6698, 6895, 7021, 7880, 8024, 8260, 9440, 9520, 10030, 11032, 11623, 13216, 13396, 13790, 14042, 15760, 16048, 16520, 16745, 19040, 20060, 22064, 23246, 23443, 26792, 27580, 28084, 31520, 32096, 33040, 33490, 35105, 40120, 44128, 46492, 46886, 53584, 55160, 56168, 58115, 66080, 66980, 70210, 80240, 81361, 92984, 93772, 107168, 110320, 112336, 116230, 117215, 133960, 140420, 160480, 162722, 185968, 187544, 197591, 220640, 224672, 232460, 234430, 267920, 280840, 325444, 371936, 375088, 395182, 406805, 464920, 468860, 535840, 561680, 650888, 750176, 790364, 813610, 929840, 937720, 987955, 1123360, 1301776, 1383137, 1580728, 1627220, 1859680, 1875440, 1975910, 2603552, 2766274, 3161456, 3254440, 3750880, 3951820, 5532548, 6322912, 6508880, 6915685, 7903640, 11065096, 13017760, 13831370, 15807280, 22130192, 27662740, 31614560, 44260384, 55325480, 110650960, 221301920]

約数ペア:

[(1, 221301920), (2, 110650960), (4, 55325480), (5, 44260384), (7, 31614560), (8, 27662740), (10, 22130192), (14, 15807280), (16, 13831370), (17, 13017760), (20, 11065096), (28, 7903640), (32, 6915685), (34, 6508880), (35, 6322912), (40, 5532548), (56, 3951820), (59, 3750880), (68, 3254440), (70, 3161456), (80, 2766274), (85, 2603552), (112, 1975910), (118, 1875440), (119, 1859680), (136, 1627220), (140, 1580728), (160, 1383137), (170, 1301776), (197, 1123360), (224, 987955), (236, 937720), (238, 929840), (272, 813610), (280, 790364), (295, 750176), (340, 650888), (394, 561680), (413, 535840), (472, 468860), (476, 464920), (544, 406805), (560, 395182), (590, 375088), (595, 371936), (680, 325444), (788, 280840), (826, 267920), (944, 234430), (952, 232460), (985, 224672), (1003, 220640), (1120, 197591), (1180, 187544), (1190, 185968), (1360, 162722), (1379, 160480), (1576, 140420), (1652, 133960), (1888, 117215), (1904, 116230), (1970, 112336), (2006, 110320), (2065, 107168), (2360, 93772), (2380, 92984), (2720, 81361), (2758, 80240), (3152, 70210), (3304, 66980), (3349, 66080), (3808, 58115), (3940, 56168), (4012, 55160), (4130, 53584), (4720, 46886), (4760, 46492), (5015, 44128), (5516, 40120), (6304, 35105), (6608, 33490), (6698, 33040), (6895, 32096), (7021, 31520), (7880, 28084), (8024, 27580), (8260, 26792), (9440, 23443), (9520, 23246), (10030, 22064), (11032, 20060), (11623, 19040), (13216, 16745), (13396, 16520), (13790, 16048), (14042, 15760)]