413440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:57

約数の個数: 72

約数和(自身を含む): 1103760

約数和(自身を除く): 690320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 256, 272, 304, 320, 323, 340, 380, 544, 608, 640, 646, 680, 760, 1088, 1216, 1280, 1292, 1360, 1520, 1615, 2176, 2432, 2584, 2720, 3040, 3230, 4352, 4864, 5168, 5440, 6080, 6460, 10336, 10880, 12160, 12920, 20672, 21760, 24320, 25840, 41344, 51680, 82688, 103360, 206720, 413440]

約数ペア:

[(1, 413440), (2, 206720), (4, 103360), (5, 82688), (8, 51680), (10, 41344), (16, 25840), (17, 24320), (19, 21760), (20, 20672), (32, 12920), (34, 12160), (38, 10880), (40, 10336), (64, 6460), (68, 6080), (76, 5440), (80, 5168), (85, 4864), (95, 4352), (128, 3230), (136, 3040), (152, 2720), (160, 2584), (170, 2432), (190, 2176), (256, 1615), (272, 1520), (304, 1360), (320, 1292), (323, 1280), (340, 1216), (380, 1088), (544, 760), (608, 680), (640, 646)]