17816680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 51321600

約数和(自身を除く): 33504920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 197, 238, 266, 280, 323, 340, 380, 394, 476, 532, 595, 646, 665, 680, 760, 788, 952, 985, 1064, 1190, 1292, 1330, 1379, 1576, 1615, 1970, 2261, 2380, 2584, 2660, 2758, 3230, 3349, 3743, 3940, 4522, 4760, 5320, 5516, 6460, 6698, 6895, 7486, 7880, 9044, 11032, 11305, 12920, 13396, 13790, 14972, 16745, 18088, 18715, 22610, 23443, 26201, 26792, 27580, 29944, 33490, 37430, 45220, 46886, 52402, 55160, 63631, 66980, 74860, 90440, 93772, 104804, 117215, 127262, 131005, 133960, 149720, 187544, 209608, 234430, 254524, 262010, 318155, 445417, 468860, 509048, 524020, 636310, 890834, 937720, 1048040, 1272620, 1781668, 2227085, 2545240, 3563336, 4454170, 8908340, 17816680]

約数ペア:

[(1, 17816680), (2, 8908340), (4, 4454170), (5, 3563336), (7, 2545240), (8, 2227085), (10, 1781668), (14, 1272620), (17, 1048040), (19, 937720), (20, 890834), (28, 636310), (34, 524020), (35, 509048), (38, 468860), (40, 445417), (56, 318155), (68, 262010), (70, 254524), (76, 234430), (85, 209608), (95, 187544), (119, 149720), (133, 133960), (136, 131005), (140, 127262), (152, 117215), (170, 104804), (190, 93772), (197, 90440), (238, 74860), (266, 66980), (280, 63631), (323, 55160), (340, 52402), (380, 46886), (394, 45220), (476, 37430), (532, 33490), (595, 29944), (646, 27580), (665, 26792), (680, 26201), (760, 23443), (788, 22610), (952, 18715), (985, 18088), (1064, 16745), (1190, 14972), (1292, 13790), (1330, 13396), (1379, 12920), (1576, 11305), (1615, 11032), (1970, 9044), (2261, 7880), (2380, 7486), (2584, 6895), (2660, 6698), (2758, 6460), (3230, 5516), (3349, 5320), (3743, 4760), (3940, 4522)]