1851990420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{232079}}^1$

素因数の和:232117

約数の個数: 96

約数和(自身を含む): 6238310400

約数和(自身を除く): 4386319980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 232079, 464158, 696237, 928316, 1160395, 1392474, 1624553, 2320790, 2784948, 3249106, 3481185, 4409501, 4641580, 4873659, 6498212, 6962370, 8122765, 8819002, 9747318, 13228503, 13924740, 16245530, 17638004, 19494636, 22047505, 24368295, 26457006, 30866507, 32491060, 44095010, 48736590, 52914012, 61733014, 66142515, 88190020, 92599521, 97473180, 123466028, 132285030, 154332535, 185199042, 264570060, 308665070, 370398084, 462997605, 617330140, 925995210, 1851990420]

約数ペア:

[(1, 1851990420), (2, 925995210), (3, 617330140), (4, 462997605), (5, 370398084), (6, 308665070), (7, 264570060), (10, 185199042), (12, 154332535), (14, 132285030), (15, 123466028), (19, 97473180), (20, 92599521), (21, 88190020), (28, 66142515), (30, 61733014), (35, 52914012), (38, 48736590), (42, 44095010), (57, 32491060), (60, 30866507), (70, 26457006), (76, 24368295), (84, 22047505), (95, 19494636), (105, 17638004), (114, 16245530), (133, 13924740), (140, 13228503), (190, 9747318), (210, 8819002), (228, 8122765), (266, 6962370), (285, 6498212), (380, 4873659), (399, 4641580), (420, 4409501), (532, 3481185), (570, 3249106), (665, 2784948), (798, 2320790), (1140, 1624553), (1330, 1392474), (1596, 1160395), (1995, 928316), (2660, 696237), (3990, 464158), (7980, 232079)]