29959540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1889}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 68901840

約数和(自身を除く): 38942300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 1889, 3172, 3778, 3965, 7556, 7930, 9445, 15860, 18890, 24557, 37780, 49114, 98228, 115229, 122785, 230458, 245570, 460916, 491140, 576145, 1152290, 1497977, 2304580, 2995954, 5991908, 7489885, 14979770, 29959540]

約数ペア:

[(1, 29959540), (2, 14979770), (4, 7489885), (5, 5991908), (10, 2995954), (13, 2304580), (20, 1497977), (26, 1152290), (52, 576145), (61, 491140), (65, 460916), (122, 245570), (130, 230458), (244, 122785), (260, 115229), (305, 98228), (610, 49114), (793, 37780), (1220, 24557), (1586, 18890), (1889, 15860), (3172, 9445), (3778, 7930), (3965, 7556)]