398414720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3329}}^1$

素因数の和:3376

約数の個数: 128

約数和(自身を含む): 1100498400

約数和(自身を除く): 702083680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 640, 680, 704, 748, 880, 935, 1088, 1360, 1408, 1496, 1760, 1870, 2176, 2720, 2992, 3329, 3520, 3740, 5440, 5984, 6658, 7040, 7480, 10880, 11968, 13316, 14960, 16645, 23936, 26632, 29920, 33290, 36619, 53264, 56593, 59840, 66580, 73238, 106528, 113186, 119680, 133160, 146476, 183095, 213056, 226372, 266320, 282965, 292952, 366190, 426112, 452744, 532640, 565930, 585904, 622523, 732380, 905488, 1065280, 1131860, 1171808, 1245046, 1464760, 1810976, 2130560, 2263720, 2343616, 2490092, 2929520, 3112615, 3621952, 4527440, 4687232, 4980184, 5859040, 6225230, 7243904, 9054880, 9960368, 11718080, 12450460, 18109760, 19920736, 23436160, 24900920, 36219520, 39841472, 49801840, 79682944, 99603680, 199207360, 398414720]

約数ペア:

[(1, 398414720), (2, 199207360), (4, 99603680), (5, 79682944), (8, 49801840), (10, 39841472), (11, 36219520), (16, 24900920), (17, 23436160), (20, 19920736), (22, 18109760), (32, 12450460), (34, 11718080), (40, 9960368), (44, 9054880), (55, 7243904), (64, 6225230), (68, 5859040), (80, 4980184), (85, 4687232), (88, 4527440), (110, 3621952), (128, 3112615), (136, 2929520), (160, 2490092), (170, 2343616), (176, 2263720), (187, 2130560), (220, 1810976), (272, 1464760), (320, 1245046), (340, 1171808), (352, 1131860), (374, 1065280), (440, 905488), (544, 732380), (640, 622523), (680, 585904), (704, 565930), (748, 532640), (880, 452744), (935, 426112), (1088, 366190), (1360, 292952), (1408, 282965), (1496, 266320), (1760, 226372), (1870, 213056), (2176, 183095), (2720, 146476), (2992, 133160), (3329, 119680), (3520, 113186), (3740, 106528), (5440, 73238), (5984, 66580), (6658, 59840), (7040, 56593), (7480, 53264), (10880, 36619), (11968, 33290), (13316, 29920), (14960, 26632), (16645, 23936)]