221346510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:351

約数の個数: 192

約数和(自身を含む): 691310592

約数和(自身を除く): 469964082

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 42, 55, 62, 66, 70, 77, 93, 105, 110, 121, 154, 155, 165, 186, 210, 217, 231, 242, 281, 310, 330, 341, 363, 385, 434, 462, 465, 562, 605, 651, 682, 726, 770, 843, 847, 930, 1023, 1085, 1155, 1210, 1302, 1405, 1686, 1694, 1705, 1815, 1967, 2046, 2170, 2310, 2387, 2541, 2810, 3091, 3255, 3410, 3630, 3751, 3934, 4215, 4235, 4774, 5082, 5115, 5901, 6182, 6510, 7161, 7502, 8430, 8470, 8711, 9273, 9835, 10230, 11253, 11802, 11935, 12705, 14322, 15455, 17422, 18546, 18755, 19670, 21637, 22506, 23870, 25410, 26133, 26257, 29505, 30910, 34001, 35805, 37510, 43274, 43555, 46365, 52266, 52514, 56265, 59010, 60977, 64911, 68002, 71610, 78771, 87110, 92730, 95821, 102003, 108185, 112530, 121954, 129822, 130665, 131285, 157542, 170005, 182931, 191642, 204006, 216370, 238007, 261330, 262570, 287463, 304885, 324555, 340010, 365862, 393855, 476014, 479105, 510015, 574926, 609770, 649110, 670747, 714021, 787710, 914655, 958210, 1020030, 1054031, 1190035, 1341494, 1428042, 1437315, 1829310, 2012241, 2108062, 2380070, 2874630, 3162093, 3353735, 3570105, 4024482, 5270155, 6324186, 6707470, 7140210, 7378217, 10061205, 10540310, 14756434, 15810465, 20122410, 22134651, 31620930, 36891085, 44269302, 73782170, 110673255, 221346510]

約数ペア:

[(1, 221346510), (2, 110673255), (3, 73782170), (5, 44269302), (6, 36891085), (7, 31620930), (10, 22134651), (11, 20122410), (14, 15810465), (15, 14756434), (21, 10540310), (22, 10061205), (30, 7378217), (31, 7140210), (33, 6707470), (35, 6324186), (42, 5270155), (55, 4024482), (62, 3570105), (66, 3353735), (70, 3162093), (77, 2874630), (93, 2380070), (105, 2108062), (110, 2012241), (121, 1829310), (154, 1437315), (155, 1428042), (165, 1341494), (186, 1190035), (210, 1054031), (217, 1020030), (231, 958210), (242, 914655), (281, 787710), (310, 714021), (330, 670747), (341, 649110), (363, 609770), (385, 574926), (434, 510015), (462, 479105), (465, 476014), (562, 393855), (605, 365862), (651, 340010), (682, 324555), (726, 304885), (770, 287463), (843, 262570), (847, 261330), (930, 238007), (1023, 216370), (1085, 204006), (1155, 191642), (1210, 182931), (1302, 170005), (1405, 157542), (1686, 131285), (1694, 130665), (1705, 129822), (1815, 121954), (1967, 112530), (2046, 108185), (2170, 102003), (2310, 95821), (2387, 92730), (2541, 87110), (2810, 78771), (3091, 71610), (3255, 68002), (3410, 64911), (3630, 60977), (3751, 59010), (3934, 56265), (4215, 52514), (4235, 52266), (4774, 46365), (5082, 43555), (5115, 43274), (5901, 37510), (6182, 35805), (6510, 34001), (7161, 30910), (7502, 29505), (8430, 26257), (8470, 26133), (8711, 25410), (9273, 23870), (9835, 22506), (10230, 21637), (11253, 19670), (11802, 18755), (11935, 18546), (12705, 17422), (14322, 15455)]