20162957500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{523}}^1\times {\mathrm{2203}}^1$

素因数の和:2757

約数の個数: 120

約数和(自身を含む): 50510531456

約数和(自身を除く): 30347573956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 523, 625, 700, 875, 1046, 1250, 1750, 2092, 2203, 2500, 2615, 3500, 3661, 4375, 4406, 5230, 7322, 8750, 8812, 10460, 11015, 13075, 14644, 15421, 17500, 18305, 22030, 26150, 30842, 36610, 44060, 52300, 55075, 61684, 65375, 73220, 77105, 91525, 110150, 130750, 154210, 183050, 220300, 261500, 275375, 308420, 326875, 366100, 385525, 457625, 550750, 653750, 771050, 915250, 1101500, 1152169, 1307500, 1376875, 1542100, 1830500, 1927625, 2288125, 2304338, 2753750, 3855250, 4576250, 4608676, 5507500, 5760845, 7710500, 8065183, 9152500, 9638125, 11521690, 16130366, 19276250, 23043380, 28804225, 32260732, 38552500, 40325915, 57608450, 80651830, 115216900, 144021125, 161303660, 201629575, 288042250, 403259150, 576084500, 720105625, 806518300, 1008147875, 1440211250, 2016295750, 2880422500, 4032591500, 5040739375, 10081478750, 20162957500]

約数ペア:

[(1, 20162957500), (2, 10081478750), (4, 5040739375), (5, 4032591500), (7, 2880422500), (10, 2016295750), (14, 1440211250), (20, 1008147875), (25, 806518300), (28, 720105625), (35, 576084500), (50, 403259150), (70, 288042250), (100, 201629575), (125, 161303660), (140, 144021125), (175, 115216900), (250, 80651830), (350, 57608450), (500, 40325915), (523, 38552500), (625, 32260732), (700, 28804225), (875, 23043380), (1046, 19276250), (1250, 16130366), (1750, 11521690), (2092, 9638125), (2203, 9152500), (2500, 8065183), (2615, 7710500), (3500, 5760845), (3661, 5507500), (4375, 4608676), (4406, 4576250), (5230, 3855250), (7322, 2753750), (8750, 2304338), (8812, 2288125), (10460, 1927625), (11015, 1830500), (13075, 1542100), (14644, 1376875), (15421, 1307500), (17500, 1152169), (18305, 1101500), (22030, 915250), (26150, 771050), (30842, 653750), (36610, 550750), (44060, 457625), (52300, 385525), (55075, 366100), (61684, 326875), (65375, 308420), (73220, 275375), (77105, 261500), (91525, 220300), (110150, 183050), (130750, 154210)]