438931840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40343}}^1$

素因数の和:40379

約数の個数: 64

約数和(自身を含む): 1111073760

約数和(自身を除く): 672141920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 40343, 80686, 161372, 201715, 322744, 403430, 645488, 685831, 806860, 1290976, 1371662, 1613720, 2581952, 2743324, 3227440, 3429155, 5163904, 5486648, 6454880, 6858310, 10973296, 12909760, 13716620, 21946592, 25819520, 27433240, 43893184, 54866480, 87786368, 109732960, 219465920, 438931840]

約数ペア:

[(1, 438931840), (2, 219465920), (4, 109732960), (5, 87786368), (8, 54866480), (10, 43893184), (16, 27433240), (17, 25819520), (20, 21946592), (32, 13716620), (34, 12909760), (40, 10973296), (64, 6858310), (68, 6454880), (80, 5486648), (85, 5163904), (128, 3429155), (136, 3227440), (160, 2743324), (170, 2581952), (272, 1613720), (320, 1371662), (340, 1290976), (544, 806860), (640, 685831), (680, 645488), (1088, 403430), (1360, 322744), (2176, 201715), (2720, 161372), (5440, 80686), (10880, 40343)]