199920420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{52889}}^1$

素因数の和:52914

約数の個数: 96

約数和(自身を含む): 710841600

約数和(自身を除く): 510921180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 52889, 105778, 158667, 211556, 264445, 317334, 370223, 476001, 528890, 634668, 740446, 793335, 952002, 1057780, 1110669, 1428003, 1480892, 1586670, 1851115, 1904004, 2221338, 2380005, 2856006, 3173340, 3332007, 3702230, 4442676, 4760010, 5553345, 5712012, 6664014, 7140015, 7404460, 9520020, 9996021, 11106690, 13328028, 14280030, 16660035, 19992042, 22213380, 28560060, 33320070, 39984084, 49980105, 66640140, 99960210, 199920420]

約数ペア:

[(1, 199920420), (2, 99960210), (3, 66640140), (4, 49980105), (5, 39984084), (6, 33320070), (7, 28560060), (9, 22213380), (10, 19992042), (12, 16660035), (14, 14280030), (15, 13328028), (18, 11106690), (20, 9996021), (21, 9520020), (27, 7404460), (28, 7140015), (30, 6664014), (35, 5712012), (36, 5553345), (42, 4760010), (45, 4442676), (54, 3702230), (60, 3332007), (63, 3173340), (70, 2856006), (84, 2380005), (90, 2221338), (105, 1904004), (108, 1851115), (126, 1586670), (135, 1480892), (140, 1428003), (180, 1110669), (189, 1057780), (210, 952002), (252, 793335), (270, 740446), (315, 634668), (378, 528890), (420, 476001), (540, 370223), (630, 317334), (756, 264445), (945, 211556), (1260, 158667), (1890, 105778), (3780, 52889)]