78838500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{311}}^1$

素因数の和:359

約数の個数: 144

約数和(自身を含む): 249395328

約数和(自身を除く): 170556828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 169, 195, 250, 260, 300, 311, 325, 338, 375, 390, 500, 507, 622, 650, 676, 750, 780, 845, 933, 975, 1014, 1244, 1300, 1500, 1555, 1625, 1690, 1866, 1950, 2028, 2535, 3110, 3250, 3380, 3732, 3900, 4043, 4225, 4665, 4875, 5070, 6220, 6500, 7775, 8086, 8450, 9330, 9750, 10140, 12129, 12675, 15550, 16172, 16900, 18660, 19500, 20215, 21125, 23325, 24258, 25350, 31100, 38875, 40430, 42250, 46650, 48516, 50700, 52559, 60645, 63375, 77750, 80860, 84500, 93300, 101075, 105118, 116625, 121290, 126750, 155500, 157677, 202150, 210236, 233250, 242580, 253500, 262795, 303225, 315354, 404300, 466500, 505375, 525590, 606450, 630708, 788385, 1010750, 1051180, 1212900, 1313975, 1516125, 1576770, 2021500, 2627950, 3032250, 3153540, 3941925, 5255900, 6064500, 6569875, 7883850, 13139750, 15767700, 19709625, 26279500, 39419250, 78838500]

約数ペア:

[(1, 78838500), (2, 39419250), (3, 26279500), (4, 19709625), (5, 15767700), (6, 13139750), (10, 7883850), (12, 6569875), (13, 6064500), (15, 5255900), (20, 3941925), (25, 3153540), (26, 3032250), (30, 2627950), (39, 2021500), (50, 1576770), (52, 1516125), (60, 1313975), (65, 1212900), (75, 1051180), (78, 1010750), (100, 788385), (125, 630708), (130, 606450), (150, 525590), (156, 505375), (169, 466500), (195, 404300), (250, 315354), (260, 303225), (300, 262795), (311, 253500), (325, 242580), (338, 233250), (375, 210236), (390, 202150), (500, 157677), (507, 155500), (622, 126750), (650, 121290), (676, 116625), (750, 105118), (780, 101075), (845, 93300), (933, 84500), (975, 80860), (1014, 77750), (1244, 63375), (1300, 60645), (1500, 52559), (1555, 50700), (1625, 48516), (1690, 46650), (1866, 42250), (1950, 40430), (2028, 38875), (2535, 31100), (3110, 25350), (3250, 24258), (3380, 23325), (3732, 21125), (3900, 20215), (4043, 19500), (4225, 18660), (4665, 16900), (4875, 16172), (5070, 15550), (6220, 12675), (6500, 12129), (7775, 10140), (8086, 9750), (8450, 9330)]