2501619900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{641441}}^1$

素因数の和:641471

約数の個数: 72

約数和(自身を含む): 7794803184

約数和(自身を除く): 5293183284

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, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 641441, 1282882, 1924323, 2565764, 3207205, 3848646, 6414410, 7697292, 8338733, 9621615, 12828820, 16036025, 16677466, 19243230, 25016199, 32072050, 33354932, 38486460, 41693665, 48108075, 50032398, 64144100, 83387330, 96216150, 100064796, 125080995, 166774660, 192432300, 208468325, 250161990, 416936650, 500323980, 625404975, 833873300, 1250809950, 2501619900]

約数ペア:

[(1, 2501619900), (2, 1250809950), (3, 833873300), (4, 625404975), (5, 500323980), (6, 416936650), (10, 250161990), (12, 208468325), (13, 192432300), (15, 166774660), (20, 125080995), (25, 100064796), (26, 96216150), (30, 83387330), (39, 64144100), (50, 50032398), (52, 48108075), (60, 41693665), (65, 38486460), (75, 33354932), (78, 32072050), (100, 25016199), (130, 19243230), (150, 16677466), (156, 16036025), (195, 12828820), (260, 9621615), (300, 8338733), (325, 7697292), (390, 6414410), (650, 3848646), (780, 3207205), (975, 2565764), (1300, 1924323), (1950, 1282882), (3900, 641441)]