2178278700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{558533}}^1$

素因数の和:558563

約数の個数: 72

約数和(自身を含む): 6787305168

約数和(自身を除く): 4609026468

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, 558533, 1117066, 1675599, 2234132, 2792665, 3351198, 5585330, 6702396, 7260929, 8377995, 11170660, 13963325, 14521858, 16755990, 21782787, 27926650, 29043716, 33511980, 36304645, 41889975, 43565574, 55853300, 72609290, 83779950, 87131148, 108913935, 145218580, 167559900, 181523225, 217827870, 363046450, 435655740, 544569675, 726092900, 1089139350, 2178278700]

約数ペア:

[(1, 2178278700), (2, 1089139350), (3, 726092900), (4, 544569675), (5, 435655740), (6, 363046450), (10, 217827870), (12, 181523225), (13, 167559900), (15, 145218580), (20, 108913935), (25, 87131148), (26, 83779950), (30, 72609290), (39, 55853300), (50, 43565574), (52, 41889975), (60, 36304645), (65, 33511980), (75, 29043716), (78, 27926650), (100, 21782787), (130, 16755990), (150, 14521858), (156, 13963325), (195, 11170660), (260, 8377995), (300, 7260929), (325, 6702396), (390, 5585330), (650, 3351198), (780, 2792665), (975, 2234132), (1300, 1675599), (1950, 1117066), (3900, 558533)]