389491760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:451

約数の個数: 160

約数和(自身を含む): 1106929152

約数和(自身を除く): 717437392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 163, 170, 238, 251, 272, 280, 326, 340, 476, 502, 560, 595, 652, 680, 815, 952, 1004, 1141, 1190, 1255, 1304, 1360, 1630, 1757, 1904, 2008, 2282, 2380, 2510, 2608, 2771, 3260, 3514, 4016, 4267, 4564, 4760, 5020, 5542, 5705, 6520, 7028, 8534, 8785, 9128, 9520, 10040, 11084, 11410, 13040, 13855, 14056, 17068, 17570, 18256, 19397, 20080, 21335, 22168, 22820, 27710, 28112, 29869, 34136, 35140, 38794, 40913, 42670, 44336, 45640, 55420, 59738, 68272, 70280, 77588, 81826, 85340, 91280, 96985, 110840, 119476, 140560, 149345, 155176, 163652, 170680, 193970, 204565, 221680, 238952, 286391, 298690, 310352, 327304, 341360, 387940, 409130, 477904, 572782, 597380, 654608, 695521, 775880, 818260, 1145564, 1194760, 1391042, 1431955, 1551760, 1636520, 2291128, 2389520, 2782084, 2863910, 3273040, 3477605, 4582256, 4868647, 5564168, 5727820, 6955210, 9737294, 11128336, 11455640, 13910420, 19474588, 22911280, 24343235, 27820840, 38949176, 48686470, 55641680, 77898352, 97372940, 194745880, 389491760]

約数ペア:

[(1, 389491760), (2, 194745880), (4, 97372940), (5, 77898352), (7, 55641680), (8, 48686470), (10, 38949176), (14, 27820840), (16, 24343235), (17, 22911280), (20, 19474588), (28, 13910420), (34, 11455640), (35, 11128336), (40, 9737294), (56, 6955210), (68, 5727820), (70, 5564168), (80, 4868647), (85, 4582256), (112, 3477605), (119, 3273040), (136, 2863910), (140, 2782084), (163, 2389520), (170, 2291128), (238, 1636520), (251, 1551760), (272, 1431955), (280, 1391042), (326, 1194760), (340, 1145564), (476, 818260), (502, 775880), (560, 695521), (595, 654608), (652, 597380), (680, 572782), (815, 477904), (952, 409130), (1004, 387940), (1141, 341360), (1190, 327304), (1255, 310352), (1304, 298690), (1360, 286391), (1630, 238952), (1757, 221680), (1904, 204565), (2008, 193970), (2282, 170680), (2380, 163652), (2510, 155176), (2608, 149345), (2771, 140560), (3260, 119476), (3514, 110840), (4016, 96985), (4267, 91280), (4564, 85340), (4760, 81826), (5020, 77588), (5542, 70280), (5705, 68272), (6520, 59738), (7028, 55420), (8534, 45640), (8785, 44336), (9128, 42670), (9520, 40913), (10040, 38794), (11084, 35140), (11410, 34136), (13040, 29869), (13855, 28112), (14056, 27710), (17068, 22820), (17570, 22168), (18256, 21335), (19397, 20080)]