30739540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{619}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 69995520

約数和(自身を除く): 39255980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 619, 764, 955, 1238, 1910, 2476, 2483, 3095, 3820, 4966, 6190, 8047, 9932, 12380, 12415, 16094, 24830, 32188, 40235, 49660, 80470, 118229, 160940, 236458, 472916, 591145, 1182290, 1536977, 2364580, 3073954, 6147908, 7684885, 15369770, 30739540]

約数ペア:

[(1, 30739540), (2, 15369770), (4, 7684885), (5, 6147908), (10, 3073954), (13, 2364580), (20, 1536977), (26, 1182290), (52, 591145), (65, 472916), (130, 236458), (191, 160940), (260, 118229), (382, 80470), (619, 49660), (764, 40235), (955, 32188), (1238, 24830), (1910, 16094), (2476, 12415), (2483, 12380), (3095, 9932), (3820, 8047), (4966, 6190)]