2777853580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{235811}}^1$

素因数の和:235870

約数の個数: 48

約数和(自身を含む): 6338626560

約数和(自身を除く): 3560772980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 235811, 471622, 943244, 1179055, 2358110, 4480409, 4716220, 7310141, 8960818, 14620282, 17921636, 22402045, 29240564, 36550705, 44804090, 73101410, 89608180, 138892679, 146202820, 277785358, 555570716, 694463395, 1388926790, 2777853580]

約数ペア:

[(1, 2777853580), (2, 1388926790), (4, 694463395), (5, 555570716), (10, 277785358), (19, 146202820), (20, 138892679), (31, 89608180), (38, 73101410), (62, 44804090), (76, 36550705), (95, 29240564), (124, 22402045), (155, 17921636), (190, 14620282), (310, 8960818), (380, 7310141), (589, 4716220), (620, 4480409), (1178, 2358110), (2356, 1179055), (2945, 943244), (5890, 471622), (11780, 235811)]