199450120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2239}}^1$

素因数の和:2398

約数の個数: 64

約数和(自身を含む): 479001600

約数和(自身を除く): 279551480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 170, 262, 340, 524, 655, 680, 1048, 1310, 2227, 2239, 2620, 4454, 4478, 5240, 8908, 8956, 11135, 11195, 17816, 17912, 22270, 22390, 38063, 44540, 44780, 76126, 89080, 89560, 152252, 190315, 293309, 304504, 380630, 586618, 761260, 1173236, 1466545, 1522520, 2346472, 2933090, 4986253, 5866180, 9972506, 11732360, 19945012, 24931265, 39890024, 49862530, 99725060, 199450120]

約数ペア:

[(1, 199450120), (2, 99725060), (4, 49862530), (5, 39890024), (8, 24931265), (10, 19945012), (17, 11732360), (20, 9972506), (34, 5866180), (40, 4986253), (68, 2933090), (85, 2346472), (131, 1522520), (136, 1466545), (170, 1173236), (262, 761260), (340, 586618), (524, 380630), (655, 304504), (680, 293309), (1048, 190315), (1310, 152252), (2227, 89560), (2239, 89080), (2620, 76126), (4454, 44780), (4478, 44540), (5240, 38063), (8908, 22390), (8956, 22270), (11135, 17912), (11195, 17816)]