128406200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 336976200

約数和(自身を除く): 208570000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 29, 40, 50, 52, 58, 65, 100, 104, 116, 130, 131, 145, 169, 200, 232, 260, 262, 290, 325, 338, 377, 520, 524, 580, 650, 655, 676, 725, 754, 845, 1048, 1160, 1300, 1310, 1352, 1450, 1508, 1690, 1703, 1885, 2600, 2620, 2900, 3016, 3275, 3380, 3406, 3770, 3799, 4225, 4901, 5240, 5800, 6550, 6760, 6812, 7540, 7598, 8450, 8515, 9425, 9802, 13100, 13624, 15080, 15196, 16900, 17030, 18850, 18995, 19604, 22139, 24505, 26200, 30392, 33800, 34060, 37700, 37990, 39208, 42575, 44278, 49010, 49387, 68120, 75400, 75980, 85150, 88556, 94975, 98020, 98774, 110695, 122525, 151960, 170300, 177112, 189950, 196040, 197548, 221390, 245050, 246935, 340600, 379900, 395096, 442780, 490100, 493870, 553475, 642031, 759800, 885560, 980200, 987740, 1106950, 1234675, 1284062, 1975480, 2213900, 2469350, 2568124, 3210155, 4427800, 4938700, 5136248, 6420310, 9877400, 12840620, 16050775, 25681240, 32101550, 64203100, 128406200]

約数ペア:

[(1, 128406200), (2, 64203100), (4, 32101550), (5, 25681240), (8, 16050775), (10, 12840620), (13, 9877400), (20, 6420310), (25, 5136248), (26, 4938700), (29, 4427800), (40, 3210155), (50, 2568124), (52, 2469350), (58, 2213900), (65, 1975480), (100, 1284062), (104, 1234675), (116, 1106950), (130, 987740), (131, 980200), (145, 885560), (169, 759800), (200, 642031), (232, 553475), (260, 493870), (262, 490100), (290, 442780), (325, 395096), (338, 379900), (377, 340600), (520, 246935), (524, 245050), (580, 221390), (650, 197548), (655, 196040), (676, 189950), (725, 177112), (754, 170300), (845, 151960), (1048, 122525), (1160, 110695), (1300, 98774), (1310, 98020), (1352, 94975), (1450, 88556), (1508, 85150), (1690, 75980), (1703, 75400), (1885, 68120), (2600, 49387), (2620, 49010), (2900, 44278), (3016, 42575), (3275, 39208), (3380, 37990), (3406, 37700), (3770, 34060), (3799, 33800), (4225, 30392), (4901, 26200), (5240, 24505), (5800, 22139), (6550, 19604), (6760, 18995), (6812, 18850), (7540, 17030), (7598, 16900), (8450, 15196), (8515, 15080), (9425, 13624), (9802, 13100)]