42140780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 102961152

約数和(自身を除く): 60820372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 37, 44, 55, 62, 74, 110, 124, 148, 155, 167, 185, 220, 310, 334, 341, 370, 407, 620, 668, 682, 740, 814, 835, 1147, 1364, 1628, 1670, 1705, 1837, 2035, 2294, 3340, 3410, 3674, 4070, 4588, 5177, 5735, 6179, 6820, 7348, 8140, 9185, 10354, 11470, 12358, 12617, 18370, 20708, 22940, 24716, 25234, 25885, 30895, 36740, 50468, 51770, 56947, 61790, 63085, 67969, 103540, 113894, 123580, 126170, 135938, 191549, 227788, 252340, 271876, 284735, 339845, 383098, 569470, 679690, 766196, 957745, 1138940, 1359380, 1915490, 2107039, 3830980, 4214078, 8428156, 10535195, 21070390, 42140780]

約数ペア:

[(1, 42140780), (2, 21070390), (4, 10535195), (5, 8428156), (10, 4214078), (11, 3830980), (20, 2107039), (22, 1915490), (31, 1359380), (37, 1138940), (44, 957745), (55, 766196), (62, 679690), (74, 569470), (110, 383098), (124, 339845), (148, 284735), (155, 271876), (167, 252340), (185, 227788), (220, 191549), (310, 135938), (334, 126170), (341, 123580), (370, 113894), (407, 103540), (620, 67969), (668, 63085), (682, 61790), (740, 56947), (814, 51770), (835, 50468), (1147, 36740), (1364, 30895), (1628, 25885), (1670, 25234), (1705, 24716), (1837, 22940), (2035, 20708), (2294, 18370), (3340, 12617), (3410, 12358), (3674, 11470), (4070, 10354), (4588, 9185), (5177, 8140), (5735, 7348), (6179, 6820)]