1961940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 5785920

約数和(自身を除く): 3823980

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, 1721, 3442, 5163, 6884, 8605, 10326, 17210, 20652, 25815, 32699, 34420, 51630, 65398, 98097, 103260, 130796, 163495, 196194, 326990, 392388, 490485, 653980, 980970, 1961940]

約数ペア:

[(1, 1961940), (2, 980970), (3, 653980), (4, 490485), (5, 392388), (6, 326990), (10, 196194), (12, 163495), (15, 130796), (19, 103260), (20, 98097), (30, 65398), (38, 51630), (57, 34420), (60, 32699), (76, 25815), (95, 20652), (114, 17210), (190, 10326), (228, 8605), (285, 6884), (380, 5163), (570, 3442), (1140, 1721)]