18547100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 47319888

約数和(自身を除く): 28772788

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1297, 1300, 1430, 2594, 2860, 3575, 5188, 6485, 7150, 12970, 14267, 14300, 16861, 25940, 28534, 32425, 33722, 57068, 64850, 67444, 71335, 84305, 129700, 142670, 168610, 185471, 285340, 337220, 356675, 370942, 421525, 713350, 741884, 843050, 927355, 1426700, 1686100, 1854710, 3709420, 4636775, 9273550, 18547100]

約数ペア:

[(1, 18547100), (2, 9273550), (4, 4636775), (5, 3709420), (10, 1854710), (11, 1686100), (13, 1426700), (20, 927355), (22, 843050), (25, 741884), (26, 713350), (44, 421525), (50, 370942), (52, 356675), (55, 337220), (65, 285340), (100, 185471), (110, 168610), (130, 142670), (143, 129700), (220, 84305), (260, 71335), (275, 67444), (286, 64850), (325, 57068), (550, 33722), (572, 32425), (650, 28534), (715, 25940), (1100, 16861), (1297, 14300), (1300, 14267), (1430, 12970), (2594, 7150), (2860, 6485), (3575, 5188)]