400420440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8363}}^1$

素因数の和:8406

約数の個数: 192

約数和(自身を含む): 1565740800

約数和(自身を除く): 1165320360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3420, 3990, 4788, 5320, 5985, 6840, 7980, 8363, 9576, 11970, 15960, 16726, 23940, 25089, 33452, 41815, 47880, 50178, 58541, 66904, 75267, 83630, 100356, 117082, 125445, 150534, 158897, 167260, 175623, 200712, 234164, 250890, 292705, 301068, 317794, 334520, 351246, 376335, 468328, 476691, 501780, 526869, 585410, 602136, 635588, 702492, 752670, 794485, 878115, 953382, 1003560, 1053738, 1112279, 1170820, 1271176, 1404984, 1430073, 1505340, 1588970, 1756230, 1906764, 2107476, 2224558, 2341640, 2383455, 2634345, 2860146, 3010680, 3177940, 3336837, 3512460, 3813528, 4214952, 4449116, 4766910, 5268690, 5561395, 5720292, 6355880, 6673674, 7024920, 7150365, 8898232, 9533820, 10010511, 10537380, 11122790, 11440584, 13347348, 14300730, 16684185, 19067640, 20021022, 21074760, 22245580, 26694696, 28601460, 33368370, 40042044, 44491160, 50052555, 57202920, 66736740, 80084088, 100105110, 133473480, 200210220, 400420440]

約数ペア:

[(1, 400420440), (2, 200210220), (3, 133473480), (4, 100105110), (5, 80084088), (6, 66736740), (7, 57202920), (8, 50052555), (9, 44491160), (10, 40042044), (12, 33368370), (14, 28601460), (15, 26694696), (18, 22245580), (19, 21074760), (20, 20021022), (21, 19067640), (24, 16684185), (28, 14300730), (30, 13347348), (35, 11440584), (36, 11122790), (38, 10537380), (40, 10010511), (42, 9533820), (45, 8898232), (56, 7150365), (57, 7024920), (60, 6673674), (63, 6355880), (70, 5720292), (72, 5561395), (76, 5268690), (84, 4766910), (90, 4449116), (95, 4214952), (105, 3813528), (114, 3512460), (120, 3336837), (126, 3177940), (133, 3010680), (140, 2860146), (152, 2634345), (168, 2383455), (171, 2341640), (180, 2224558), (190, 2107476), (210, 1906764), (228, 1756230), (252, 1588970), (266, 1505340), (280, 1430073), (285, 1404984), (315, 1271176), (342, 1170820), (360, 1112279), (380, 1053738), (399, 1003560), (420, 953382), (456, 878115), (504, 794485), (532, 752670), (570, 702492), (630, 635588), (665, 602136), (684, 585410), (760, 526869), (798, 501780), (840, 476691), (855, 468328), (1064, 376335), (1140, 351246), (1197, 334520), (1260, 317794), (1330, 301068), (1368, 292705), (1596, 250890), (1710, 234164), (1995, 200712), (2280, 175623), (2394, 167260), (2520, 158897), (2660, 150534), (3192, 125445), (3420, 117082), (3990, 100356), (4788, 83630), (5320, 75267), (5985, 66904), (6840, 58541), (7980, 50178), (8363, 47880), (9576, 41815), (11970, 33452), (15960, 25089), (16726, 23940)]