216234920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 557383680

約数和(自身を除く): 341148760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 83, 88, 110, 124, 155, 166, 191, 220, 248, 310, 332, 341, 382, 415, 440, 620, 664, 682, 764, 830, 913, 955, 1240, 1364, 1528, 1660, 1705, 1826, 1910, 2101, 2573, 2728, 3320, 3410, 3652, 3820, 4202, 4565, 5146, 5921, 6820, 7304, 7640, 8404, 9130, 10292, 10505, 11842, 12865, 13640, 15853, 16808, 18260, 20584, 21010, 23684, 25730, 28303, 29605, 31706, 36520, 42020, 47368, 51460, 56606, 59210, 63412, 65131, 79265, 84040, 102920, 113212, 118420, 126824, 130262, 141515, 158530, 174383, 226424, 236840, 260524, 283030, 317060, 325655, 348766, 491443, 521048, 566060, 634120, 651310, 697532, 871915, 982886, 1132120, 1302620, 1395064, 1743830, 1965772, 2457215, 2605240, 3487660, 3931544, 4914430, 5405873, 6975320, 9828860, 10811746, 19657720, 21623492, 27029365, 43246984, 54058730, 108117460, 216234920]

約数ペア:

[(1, 216234920), (2, 108117460), (4, 54058730), (5, 43246984), (8, 27029365), (10, 21623492), (11, 19657720), (20, 10811746), (22, 9828860), (31, 6975320), (40, 5405873), (44, 4914430), (55, 3931544), (62, 3487660), (83, 2605240), (88, 2457215), (110, 1965772), (124, 1743830), (155, 1395064), (166, 1302620), (191, 1132120), (220, 982886), (248, 871915), (310, 697532), (332, 651310), (341, 634120), (382, 566060), (415, 521048), (440, 491443), (620, 348766), (664, 325655), (682, 317060), (764, 283030), (830, 260524), (913, 236840), (955, 226424), (1240, 174383), (1364, 158530), (1528, 141515), (1660, 130262), (1705, 126824), (1826, 118420), (1910, 113212), (2101, 102920), (2573, 84040), (2728, 79265), (3320, 65131), (3410, 63412), (3652, 59210), (3820, 56606), (4202, 51460), (4565, 47368), (5146, 42020), (5921, 36520), (6820, 31706), (7304, 29605), (7640, 28303), (8404, 25730), (9130, 23684), (10292, 21010), (10505, 20584), (11842, 18260), (12865, 16808), (13640, 15853)]