402298880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2355

約数の個数: 96

約数和(自身を含む): 1022505120

約数和(自身を除く): 620206240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2048, 2176, 2311, 2560, 2720, 4352, 4622, 5120, 5440, 8704, 9244, 10240, 10880, 11555, 17408, 18488, 21760, 23110, 34816, 36976, 39287, 43520, 46220, 73952, 78574, 87040, 92440, 147904, 157148, 174080, 184880, 196435, 295808, 314296, 369760, 392870, 591616, 628592, 739520, 785740, 1183232, 1257184, 1479040, 1571480, 2366464, 2514368, 2958080, 3142960, 4732928, 5028736, 5916160, 6285920, 10057472, 11832320, 12571840, 20114944, 23664640, 25143680, 40229888, 50287360, 80459776, 100574720, 201149440, 402298880]

約数ペア:

[(1, 402298880), (2, 201149440), (4, 100574720), (5, 80459776), (8, 50287360), (10, 40229888), (16, 25143680), (17, 23664640), (20, 20114944), (32, 12571840), (34, 11832320), (40, 10057472), (64, 6285920), (68, 5916160), (80, 5028736), (85, 4732928), (128, 3142960), (136, 2958080), (160, 2514368), (170, 2366464), (256, 1571480), (272, 1479040), (320, 1257184), (340, 1183232), (512, 785740), (544, 739520), (640, 628592), (680, 591616), (1024, 392870), (1088, 369760), (1280, 314296), (1360, 295808), (2048, 196435), (2176, 184880), (2311, 174080), (2560, 157148), (2720, 147904), (4352, 92440), (4622, 87040), (5120, 78574), (5440, 73952), (8704, 46220), (9244, 43520), (10240, 39287), (10880, 36976), (11555, 34816), (17408, 23110), (18488, 21760)]