849762940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 1972998720

約数和(自身を除く): 1123235780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 131, 244, 260, 262, 305, 409, 524, 610, 655, 793, 818, 1220, 1310, 1586, 1636, 1703, 2045, 2620, 3172, 3406, 3965, 4090, 5317, 6812, 7930, 7991, 8180, 8515, 10634, 15860, 15982, 17030, 21268, 24949, 26585, 31964, 34060, 39955, 49898, 53170, 53579, 79910, 99796, 103883, 106340, 107158, 124745, 159820, 207766, 214316, 249490, 267895, 324337, 415532, 498980, 519415, 535790, 648674, 696527, 1038830, 1071580, 1297348, 1393054, 1621685, 2077660, 2786108, 3243370, 3268319, 3482635, 6486740, 6536638, 6965270, 13073276, 13930540, 16341595, 32683190, 42488147, 65366380, 84976294, 169952588, 212440735, 424881470, 849762940]

約数ペア:

[(1, 849762940), (2, 424881470), (4, 212440735), (5, 169952588), (10, 84976294), (13, 65366380), (20, 42488147), (26, 32683190), (52, 16341595), (61, 13930540), (65, 13073276), (122, 6965270), (130, 6536638), (131, 6486740), (244, 3482635), (260, 3268319), (262, 3243370), (305, 2786108), (409, 2077660), (524, 1621685), (610, 1393054), (655, 1297348), (793, 1071580), (818, 1038830), (1220, 696527), (1310, 648674), (1586, 535790), (1636, 519415), (1703, 498980), (2045, 415532), (2620, 324337), (3172, 267895), (3406, 249490), (3965, 214316), (4090, 207766), (5317, 159820), (6812, 124745), (7930, 107158), (7991, 106340), (8180, 103883), (8515, 99796), (10634, 79910), (15860, 53579), (15982, 53170), (17030, 49898), (21268, 39955), (24949, 34060), (26585, 31964)]