31243660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 81027072

約数和(自身を除く): 49783412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 313, 322, 434, 460, 620, 626, 644, 713, 805, 868, 1085, 1252, 1426, 1565, 1610, 2170, 2191, 2852, 3130, 3220, 3565, 4340, 4382, 4991, 6260, 7130, 7199, 8764, 9703, 9982, 10955, 14260, 14398, 19406, 19964, 21910, 24955, 28796, 35995, 38812, 43820, 48515, 49910, 50393, 67921, 71990, 97030, 99820, 100786, 135842, 143980, 194060, 201572, 223169, 251965, 271684, 339605, 446338, 503930, 679210, 892676, 1007860, 1115845, 1358420, 1562183, 2231690, 3124366, 4463380, 6248732, 7810915, 15621830, 31243660]

約数ペア:

[(1, 31243660), (2, 15621830), (4, 7810915), (5, 6248732), (7, 4463380), (10, 3124366), (14, 2231690), (20, 1562183), (23, 1358420), (28, 1115845), (31, 1007860), (35, 892676), (46, 679210), (62, 503930), (70, 446338), (92, 339605), (115, 271684), (124, 251965), (140, 223169), (155, 201572), (161, 194060), (217, 143980), (230, 135842), (310, 100786), (313, 99820), (322, 97030), (434, 71990), (460, 67921), (620, 50393), (626, 49910), (644, 48515), (713, 43820), (805, 38812), (868, 35995), (1085, 28796), (1252, 24955), (1426, 21910), (1565, 19964), (1610, 19406), (2170, 14398), (2191, 14260), (2852, 10955), (3130, 9982), (3220, 9703), (3565, 8764), (4340, 7199), (4382, 7130), (4991, 6260)]