1854219900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{475441}}^1$

素因数の和:475471

約数の個数: 72

約数和(自身を含む): 5777571184

約数和(自身を除く): 3923351284

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, 475441, 950882, 1426323, 1901764, 2377205, 2852646, 4754410, 5705292, 6180733, 7131615, 9508820, 11886025, 12361466, 14263230, 18542199, 23772050, 24722932, 28526460, 30903665, 35658075, 37084398, 47544100, 61807330, 71316150, 74168796, 92710995, 123614660, 142632300, 154518325, 185421990, 309036650, 370843980, 463554975, 618073300, 927109950, 1854219900]

約数ペア:

[(1, 1854219900), (2, 927109950), (3, 618073300), (4, 463554975), (5, 370843980), (6, 309036650), (10, 185421990), (12, 154518325), (13, 142632300), (15, 123614660), (20, 92710995), (25, 74168796), (26, 71316150), (30, 61807330), (39, 47544100), (50, 37084398), (52, 35658075), (60, 30903665), (65, 28526460), (75, 24722932), (78, 23772050), (100, 18542199), (130, 14263230), (150, 12361466), (156, 11886025), (195, 9508820), (260, 7131615), (300, 6180733), (325, 5705292), (390, 4754410), (650, 2852646), (780, 2377205), (975, 1901764), (1300, 1426323), (1950, 950882), (3900, 475441)]