328738760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1111

約数の個数: 128

約数和(自身を含む): 905299200

約数和(自身を除く): 576560440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 95, 122, 133, 140, 152, 190, 244, 266, 280, 305, 380, 427, 488, 532, 610, 665, 760, 854, 1013, 1064, 1159, 1220, 1330, 1708, 2026, 2135, 2318, 2440, 2660, 3416, 4052, 4270, 4636, 5065, 5320, 5795, 7091, 8104, 8113, 8540, 9272, 10130, 11590, 14182, 16226, 17080, 19247, 20260, 23180, 28364, 32452, 35455, 38494, 40520, 40565, 46360, 56728, 61793, 64904, 70910, 76988, 81130, 96235, 123586, 134729, 141820, 153976, 162260, 192470, 247172, 269458, 283640, 308965, 324520, 384940, 432551, 494344, 538916, 617930, 673645, 769880, 865102, 1077832, 1174067, 1235860, 1347290, 1730204, 2162755, 2348134, 2471720, 2694580, 3460408, 4325510, 4696268, 5389160, 5870335, 8218469, 8651020, 9392536, 11740670, 16436938, 17302040, 23481340, 32873876, 41092345, 46962680, 65747752, 82184690, 164369380, 328738760]

約数ペア:

[(1, 328738760), (2, 164369380), (4, 82184690), (5, 65747752), (7, 46962680), (8, 41092345), (10, 32873876), (14, 23481340), (19, 17302040), (20, 16436938), (28, 11740670), (35, 9392536), (38, 8651020), (40, 8218469), (56, 5870335), (61, 5389160), (70, 4696268), (76, 4325510), (95, 3460408), (122, 2694580), (133, 2471720), (140, 2348134), (152, 2162755), (190, 1730204), (244, 1347290), (266, 1235860), (280, 1174067), (305, 1077832), (380, 865102), (427, 769880), (488, 673645), (532, 617930), (610, 538916), (665, 494344), (760, 432551), (854, 384940), (1013, 324520), (1064, 308965), (1159, 283640), (1220, 269458), (1330, 247172), (1708, 192470), (2026, 162260), (2135, 153976), (2318, 141820), (2440, 134729), (2660, 123586), (3416, 96235), (4052, 81130), (4270, 76988), (4636, 70910), (5065, 64904), (5320, 61793), (5795, 56728), (7091, 46360), (8104, 40565), (8113, 40520), (8540, 38494), (9272, 35455), (10130, 32452), (11590, 28364), (14182, 23180), (16226, 20260), (17080, 19247)]