284681940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{249721}}^1$

素因数の和:249752

約数の個数: 48

約数和(自身を含む): 839065920

約数和(自身を除く): 554383980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 249721, 499442, 749163, 998884, 1248605, 1498326, 2497210, 2996652, 3745815, 4744699, 4994420, 7491630, 9489398, 14234097, 14983260, 18978796, 23723495, 28468194, 47446990, 56936388, 71170485, 94893980, 142340970, 284681940]

約数ペア:

[(1, 284681940), (2, 142340970), (3, 94893980), (4, 71170485), (5, 56936388), (6, 47446990), (10, 28468194), (12, 23723495), (15, 18978796), (19, 14983260), (20, 14234097), (30, 9489398), (38, 7491630), (57, 4994420), (60, 4744699), (76, 3745815), (95, 2996652), (114, 2497210), (190, 1498326), (228, 1248605), (285, 998884), (380, 749163), (570, 499442), (1140, 249721)]