399331360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7727}}^1$

素因数の和:7778

約数の個数: 96

約数和(自身を含む): 1051626240

約数和(自身を除く): 652294880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 608, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 2720, 3040, 3230, 5168, 6460, 7727, 10336, 12920, 15454, 25840, 30908, 38635, 51680, 61816, 77270, 123632, 131359, 146813, 154540, 247264, 262718, 293626, 309080, 525436, 587252, 618160, 656795, 734065, 1050872, 1174504, 1236320, 1313590, 1468130, 2101744, 2349008, 2495821, 2627180, 2936260, 4203488, 4698016, 4991642, 5254360, 5872520, 9983284, 10508720, 11745040, 12479105, 19966568, 21017440, 23490080, 24958210, 39933136, 49916420, 79866272, 99832840, 199665680, 399331360]

約数ペア:

[(1, 399331360), (2, 199665680), (4, 99832840), (5, 79866272), (8, 49916420), (10, 39933136), (16, 24958210), (17, 23490080), (19, 21017440), (20, 19966568), (32, 12479105), (34, 11745040), (38, 10508720), (40, 9983284), (68, 5872520), (76, 5254360), (80, 4991642), (85, 4698016), (95, 4203488), (136, 2936260), (152, 2627180), (160, 2495821), (170, 2349008), (190, 2101744), (272, 1468130), (304, 1313590), (323, 1236320), (340, 1174504), (380, 1050872), (544, 734065), (608, 656795), (646, 618160), (680, 587252), (760, 525436), (1292, 309080), (1360, 293626), (1520, 262718), (1615, 247264), (2584, 154540), (2720, 146813), (3040, 131359), (3230, 123632), (5168, 77270), (6460, 61816), (7727, 51680), (10336, 38635), (12920, 30908), (15454, 25840)]