1777463380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:686

約数の個数: 144

約数和(自身を含む): 4717980288

約数和(自身を除く): 2940516908

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 317, 331, 385, 484, 605, 634, 662, 770, 847, 1210, 1268, 1324, 1540, 1585, 1655, 1694, 2219, 2317, 2420, 3170, 3310, 3388, 3487, 3641, 4235, 4438, 4634, 6340, 6620, 6974, 7282, 8470, 8876, 9268, 11095, 11585, 13948, 14564, 16940, 17435, 18205, 22190, 23170, 24409, 25487, 34870, 36410, 38357, 40051, 44380, 46340, 48818, 50974, 69740, 72820, 76714, 80102, 97636, 101948, 104927, 122045, 127435, 153428, 160204, 191785, 200255, 209854, 244090, 254870, 268499, 280357, 383570, 400510, 419708, 488180, 509740, 524635, 536998, 560714, 734489, 767140, 801020, 1049270, 1073996, 1121428, 1154197, 1342495, 1401785, 1468978, 2098540, 2308394, 2684990, 2803570, 2937956, 3672445, 4616788, 5369980, 5607140, 5770985, 7344890, 8079379, 11541970, 12696167, 14689780, 16158758, 23083940, 25392334, 32317516, 40396895, 50784668, 63480835, 80793790, 88873169, 126961670, 161587580, 177746338, 253923340, 355492676, 444365845, 888731690, 1777463380]

約数ペア:

[(1, 1777463380), (2, 888731690), (4, 444365845), (5, 355492676), (7, 253923340), (10, 177746338), (11, 161587580), (14, 126961670), (20, 88873169), (22, 80793790), (28, 63480835), (35, 50784668), (44, 40396895), (55, 32317516), (70, 25392334), (77, 23083940), (110, 16158758), (121, 14689780), (140, 12696167), (154, 11541970), (220, 8079379), (242, 7344890), (308, 5770985), (317, 5607140), (331, 5369980), (385, 4616788), (484, 3672445), (605, 2937956), (634, 2803570), (662, 2684990), (770, 2308394), (847, 2098540), (1210, 1468978), (1268, 1401785), (1324, 1342495), (1540, 1154197), (1585, 1121428), (1655, 1073996), (1694, 1049270), (2219, 801020), (2317, 767140), (2420, 734489), (3170, 560714), (3310, 536998), (3388, 524635), (3487, 509740), (3641, 488180), (4235, 419708), (4438, 400510), (4634, 383570), (6340, 280357), (6620, 268499), (6974, 254870), (7282, 244090), (8470, 209854), (8876, 200255), (9268, 191785), (11095, 160204), (11585, 153428), (13948, 127435), (14564, 122045), (16940, 104927), (17435, 101948), (18205, 97636), (22190, 80102), (23170, 76714), (24409, 72820), (25487, 69740), (34870, 50974), (36410, 48818), (38357, 46340), (40051, 44380)]