202000020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4789}}^1$

素因数の和:4857

約数の個数: 96

約数和(自身を含む): 611587200

約数和(自身を除く): 409587180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 57, 60, 74, 76, 95, 111, 114, 148, 185, 190, 222, 228, 285, 370, 380, 444, 555, 570, 703, 740, 1110, 1140, 1406, 2109, 2220, 2812, 3515, 4218, 4789, 7030, 8436, 9578, 10545, 14060, 14367, 19156, 21090, 23945, 28734, 42180, 47890, 57468, 71835, 90991, 95780, 143670, 177193, 181982, 272973, 287340, 354386, 363964, 454955, 531579, 545946, 708772, 885965, 909910, 1063158, 1091892, 1364865, 1771930, 1819820, 2126316, 2657895, 2729730, 3366667, 3543860, 5315790, 5459460, 6733334, 10100001, 10631580, 13466668, 16833335, 20200002, 33666670, 40400004, 50500005, 67333340, 101000010, 202000020]

約数ペア:

[(1, 202000020), (2, 101000010), (3, 67333340), (4, 50500005), (5, 40400004), (6, 33666670), (10, 20200002), (12, 16833335), (15, 13466668), (19, 10631580), (20, 10100001), (30, 6733334), (37, 5459460), (38, 5315790), (57, 3543860), (60, 3366667), (74, 2729730), (76, 2657895), (95, 2126316), (111, 1819820), (114, 1771930), (148, 1364865), (185, 1091892), (190, 1063158), (222, 909910), (228, 885965), (285, 708772), (370, 545946), (380, 531579), (444, 454955), (555, 363964), (570, 354386), (703, 287340), (740, 272973), (1110, 181982), (1140, 177193), (1406, 143670), (2109, 95780), (2220, 90991), (2812, 71835), (3515, 57468), (4218, 47890), (4789, 42180), (7030, 28734), (8436, 23945), (9578, 21090), (10545, 19156), (14060, 14367)]