30428980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 69866496

約数和(自身を除く): 39437516

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 2887, 5270, 5774, 10540, 11548, 14435, 28870, 49079, 57740, 89497, 98158, 178994, 196316, 245395, 357988, 447485, 490790, 894970, 981580, 1521449, 1789940, 3042898, 6085796, 7607245, 15214490, 30428980]

約数ペア:

[(1, 30428980), (2, 15214490), (4, 7607245), (5, 6085796), (10, 3042898), (17, 1789940), (20, 1521449), (31, 981580), (34, 894970), (62, 490790), (68, 447485), (85, 357988), (124, 245395), (155, 196316), (170, 178994), (310, 98158), (340, 89497), (527, 57740), (620, 49079), (1054, 28870), (2108, 14435), (2635, 11548), (2887, 10540), (5270, 5774)]