19042200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 65286000

約数和(自身を除く): 46243800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 71, 72, 75, 90, 100, 120, 142, 149, 150, 180, 200, 213, 225, 284, 298, 300, 355, 360, 426, 447, 450, 568, 596, 600, 639, 710, 745, 852, 894, 900, 1065, 1192, 1278, 1341, 1420, 1490, 1704, 1775, 1788, 1800, 2130, 2235, 2556, 2682, 2840, 2980, 3195, 3550, 3576, 3725, 4260, 4470, 5112, 5325, 5364, 5960, 6390, 6705, 7100, 7450, 8520, 8940, 10579, 10650, 10728, 11175, 12780, 13410, 14200, 14900, 15975, 17880, 21158, 21300, 22350, 25560, 26820, 29800, 31737, 31950, 33525, 42316, 42600, 44700, 52895, 53640, 63474, 63900, 67050, 84632, 89400, 95211, 105790, 126948, 127800, 134100, 158685, 190422, 211580, 253896, 264475, 268200, 317370, 380844, 423160, 476055, 528950, 634740, 761688, 793425, 952110, 1057900, 1269480, 1586850, 1904220, 2115800, 2380275, 3173700, 3808440, 4760550, 6347400, 9521100, 19042200]

約数ペア:

[(1, 19042200), (2, 9521100), (3, 6347400), (4, 4760550), (5, 3808440), (6, 3173700), (8, 2380275), (9, 2115800), (10, 1904220), (12, 1586850), (15, 1269480), (18, 1057900), (20, 952110), (24, 793425), (25, 761688), (30, 634740), (36, 528950), (40, 476055), (45, 423160), (50, 380844), (60, 317370), (71, 268200), (72, 264475), (75, 253896), (90, 211580), (100, 190422), (120, 158685), (142, 134100), (149, 127800), (150, 126948), (180, 105790), (200, 95211), (213, 89400), (225, 84632), (284, 67050), (298, 63900), (300, 63474), (355, 53640), (360, 52895), (426, 44700), (447, 42600), (450, 42316), (568, 33525), (596, 31950), (600, 31737), (639, 29800), (710, 26820), (745, 25560), (852, 22350), (894, 21300), (900, 21158), (1065, 17880), (1192, 15975), (1278, 14900), (1341, 14200), (1420, 13410), (1490, 12780), (1704, 11175), (1775, 10728), (1788, 10650), (1800, 10579), (2130, 8940), (2235, 8520), (2556, 7450), (2682, 7100), (2840, 6705), (2980, 6390), (3195, 5960), (3550, 5364), (3576, 5325), (3725, 5112), (4260, 4470)]