399021280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1161

約数の個数: 192

約数和(自身を含む): 1201858560

約数和(自身を除く): 802837280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 32, 34, 35, 38, 40, 56, 68, 70, 76, 80, 85, 95, 112, 119, 133, 136, 140, 152, 160, 170, 190, 224, 238, 266, 272, 280, 304, 323, 340, 380, 476, 532, 544, 560, 595, 608, 646, 665, 680, 760, 952, 1064, 1103, 1120, 1190, 1292, 1330, 1360, 1520, 1615, 1904, 2128, 2206, 2261, 2380, 2584, 2660, 2720, 3040, 3230, 3808, 4256, 4412, 4522, 4760, 5168, 5320, 5515, 6460, 7721, 8824, 9044, 9520, 10336, 10640, 11030, 11305, 12920, 15442, 17648, 18088, 18751, 19040, 20957, 21280, 22060, 22610, 25840, 30884, 35296, 36176, 37502, 38605, 41914, 44120, 45220, 51680, 61768, 72352, 75004, 77210, 83828, 88240, 90440, 93755, 104785, 123536, 131257, 146699, 150008, 154420, 167656, 176480, 180880, 187510, 209570, 247072, 262514, 293398, 300016, 308840, 335312, 356269, 361760, 375020, 419140, 525028, 586796, 600032, 617680, 656285, 670624, 712538, 733495, 750040, 838280, 1050056, 1173592, 1235360, 1312570, 1425076, 1466990, 1500080, 1676560, 1781345, 2100112, 2347184, 2493883, 2625140, 2850152, 2933980, 3000160, 3353120, 3562690, 4200224, 4694368, 4987766, 5250280, 5700304, 5867960, 7125380, 9975532, 10500560, 11400608, 11735920, 12469415, 14250760, 19951064, 21001120, 23471840, 24938830, 28501520, 39902128, 49877660, 57003040, 79804256, 99755320, 199510640, 399021280]

約数ペア:

[(1, 399021280), (2, 199510640), (4, 99755320), (5, 79804256), (7, 57003040), (8, 49877660), (10, 39902128), (14, 28501520), (16, 24938830), (17, 23471840), (19, 21001120), (20, 19951064), (28, 14250760), (32, 12469415), (34, 11735920), (35, 11400608), (38, 10500560), (40, 9975532), (56, 7125380), (68, 5867960), (70, 5700304), (76, 5250280), (80, 4987766), (85, 4694368), (95, 4200224), (112, 3562690), (119, 3353120), (133, 3000160), (136, 2933980), (140, 2850152), (152, 2625140), (160, 2493883), (170, 2347184), (190, 2100112), (224, 1781345), (238, 1676560), (266, 1500080), (272, 1466990), (280, 1425076), (304, 1312570), (323, 1235360), (340, 1173592), (380, 1050056), (476, 838280), (532, 750040), (544, 733495), (560, 712538), (595, 670624), (608, 656285), (646, 617680), (665, 600032), (680, 586796), (760, 525028), (952, 419140), (1064, 375020), (1103, 361760), (1120, 356269), (1190, 335312), (1292, 308840), (1330, 300016), (1360, 293398), (1520, 262514), (1615, 247072), (1904, 209570), (2128, 187510), (2206, 180880), (2261, 176480), (2380, 167656), (2584, 154420), (2660, 150008), (2720, 146699), (3040, 131257), (3230, 123536), (3808, 104785), (4256, 93755), (4412, 90440), (4522, 88240), (4760, 83828), (5168, 77210), (5320, 75004), (5515, 72352), (6460, 61768), (7721, 51680), (8824, 45220), (9044, 44120), (9520, 41914), (10336, 38605), (10640, 37502), (11030, 36176), (11305, 35296), (12920, 30884), (15442, 25840), (17648, 22610), (18088, 22060), (18751, 21280), (19040, 20957)]