27817900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^4\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 90

約数和(自身を含む): 69895700

約数和(自身を除く): 42077800

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 121, 190, 209, 220, 242, 275, 380, 418, 475, 484, 550, 605, 836, 950, 1045, 1100, 1210, 1331, 1900, 2090, 2299, 2420, 2662, 3025, 4180, 4598, 5225, 5324, 6050, 6655, 9196, 10450, 11495, 12100, 13310, 14641, 20900, 22990, 25289, 26620, 29282, 33275, 45980, 50578, 57475, 58564, 66550, 73205, 101156, 114950, 126445, 133100, 146410, 229900, 252890, 278179, 292820, 366025, 505780, 556358, 632225, 732050, 1112716, 1264450, 1390895, 1464100, 2528900, 2781790, 5563580, 6954475, 13908950, 27817900]

約数ペア:

[(1, 27817900), (2, 13908950), (4, 6954475), (5, 5563580), (10, 2781790), (11, 2528900), (19, 1464100), (20, 1390895), (22, 1264450), (25, 1112716), (38, 732050), (44, 632225), (50, 556358), (55, 505780), (76, 366025), (95, 292820), (100, 278179), (110, 252890), (121, 229900), (190, 146410), (209, 133100), (220, 126445), (242, 114950), (275, 101156), (380, 73205), (418, 66550), (475, 58564), (484, 57475), (550, 50578), (605, 45980), (836, 33275), (950, 29282), (1045, 26620), (1100, 25289), (1210, 22990), (1331, 20900), (1900, 14641), (2090, 13310), (2299, 12100), (2420, 11495), (2662, 10450), (3025, 9196), (4180, 6655), (4598, 6050), (5225, 5324)]