19872900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 108

約数和(自身を含む): 63370944

約数和(自身を除く): 43498044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 142, 150, 180, 213, 225, 284, 300, 311, 355, 426, 450, 622, 639, 710, 852, 900, 933, 1065, 1244, 1278, 1420, 1555, 1775, 1866, 2130, 2556, 2799, 3110, 3195, 3550, 3732, 4260, 4665, 5325, 5598, 6220, 6390, 7100, 7775, 9330, 10650, 11196, 12780, 13995, 15550, 15975, 18660, 21300, 22081, 23325, 27990, 31100, 31950, 44162, 46650, 55980, 63900, 66243, 69975, 88324, 93300, 110405, 132486, 139950, 198729, 220810, 264972, 279900, 331215, 397458, 441620, 552025, 662430, 794916, 993645, 1104050, 1324860, 1656075, 1987290, 2208100, 3312150, 3974580, 4968225, 6624300, 9936450, 19872900]

約数ペア:

[(1, 19872900), (2, 9936450), (3, 6624300), (4, 4968225), (5, 3974580), (6, 3312150), (9, 2208100), (10, 1987290), (12, 1656075), (15, 1324860), (18, 1104050), (20, 993645), (25, 794916), (30, 662430), (36, 552025), (45, 441620), (50, 397458), (60, 331215), (71, 279900), (75, 264972), (90, 220810), (100, 198729), (142, 139950), (150, 132486), (180, 110405), (213, 93300), (225, 88324), (284, 69975), (300, 66243), (311, 63900), (355, 55980), (426, 46650), (450, 44162), (622, 31950), (639, 31100), (710, 27990), (852, 23325), (900, 22081), (933, 21300), (1065, 18660), (1244, 15975), (1278, 15550), (1420, 13995), (1555, 12780), (1775, 11196), (1866, 10650), (2130, 9330), (2556, 7775), (2799, 7100), (3110, 6390), (3195, 6220), (3550, 5598), (3732, 5325), (4260, 4665)]