389880040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1195

約数の個数: 128

約数和(自身を含む): 1035763200

約数和(自身を除く): 645883160

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 47, 55, 68, 85, 88, 94, 110, 136, 170, 187, 188, 220, 235, 340, 374, 376, 440, 470, 517, 680, 748, 799, 935, 940, 1034, 1109, 1496, 1598, 1870, 1880, 2068, 2218, 2585, 3196, 3740, 3995, 4136, 4436, 5170, 5545, 6392, 7480, 7990, 8789, 8872, 10340, 11090, 12199, 15980, 17578, 18853, 20680, 22180, 24398, 31960, 35156, 37706, 43945, 44360, 48796, 52123, 60995, 70312, 75412, 87890, 94265, 97592, 104246, 121990, 150824, 175780, 188530, 207383, 208492, 243980, 260615, 351560, 377060, 414766, 416984, 487960, 521230, 573353, 754120, 829532, 886091, 1036915, 1042460, 1146706, 1659064, 1772182, 2073830, 2084920, 2293412, 2866765, 3544364, 4147660, 4430455, 4586824, 5733530, 7088728, 8295320, 8860910, 9747001, 11467060, 17721820, 19494002, 22934120, 35443640, 38988004, 48735005, 77976008, 97470010, 194940020, 389880040]

約数ペア:

[(1, 389880040), (2, 194940020), (4, 97470010), (5, 77976008), (8, 48735005), (10, 38988004), (11, 35443640), (17, 22934120), (20, 19494002), (22, 17721820), (34, 11467060), (40, 9747001), (44, 8860910), (47, 8295320), (55, 7088728), (68, 5733530), (85, 4586824), (88, 4430455), (94, 4147660), (110, 3544364), (136, 2866765), (170, 2293412), (187, 2084920), (188, 2073830), (220, 1772182), (235, 1659064), (340, 1146706), (374, 1042460), (376, 1036915), (440, 886091), (470, 829532), (517, 754120), (680, 573353), (748, 521230), (799, 487960), (935, 416984), (940, 414766), (1034, 377060), (1109, 351560), (1496, 260615), (1598, 243980), (1870, 208492), (1880, 207383), (2068, 188530), (2218, 175780), (2585, 150824), (3196, 121990), (3740, 104246), (3995, 97592), (4136, 94265), (4436, 87890), (5170, 75412), (5545, 70312), (6392, 60995), (7480, 52123), (7990, 48796), (8789, 44360), (8872, 43945), (10340, 37706), (11090, 35156), (12199, 31960), (15980, 24398), (17578, 22180), (18853, 20680)]