209976840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{977}}^1$

素因数の和:1196

約数の個数: 128

約数和(自身を含む): 704160000

約数和(自身を除く): 494183160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 199, 216, 270, 360, 398, 540, 597, 796, 977, 995, 1080, 1194, 1592, 1791, 1954, 1990, 2388, 2931, 2985, 3582, 3908, 3980, 4776, 4885, 5373, 5862, 5970, 7164, 7816, 7960, 8793, 8955, 9770, 10746, 11724, 11940, 14328, 14655, 17586, 17910, 19540, 21492, 23448, 23880, 26379, 26865, 29310, 35172, 35820, 39080, 42984, 43965, 52758, 53730, 58620, 70344, 71640, 87930, 105516, 107460, 117240, 131895, 175860, 194423, 211032, 214920, 263790, 351720, 388846, 527580, 583269, 777692, 972115, 1055160, 1166538, 1555384, 1749807, 1944230, 2333076, 2916345, 3499614, 3888460, 4666152, 5249421, 5832690, 6999228, 7776920, 8749035, 10498842, 11665380, 13998456, 17498070, 20997684, 23330760, 26247105, 34996140, 41995368, 52494210, 69992280, 104988420, 209976840]

約数ペア:

[(1, 209976840), (2, 104988420), (3, 69992280), (4, 52494210), (5, 41995368), (6, 34996140), (8, 26247105), (9, 23330760), (10, 20997684), (12, 17498070), (15, 13998456), (18, 11665380), (20, 10498842), (24, 8749035), (27, 7776920), (30, 6999228), (36, 5832690), (40, 5249421), (45, 4666152), (54, 3888460), (60, 3499614), (72, 2916345), (90, 2333076), (108, 1944230), (120, 1749807), (135, 1555384), (180, 1166538), (199, 1055160), (216, 972115), (270, 777692), (360, 583269), (398, 527580), (540, 388846), (597, 351720), (796, 263790), (977, 214920), (995, 211032), (1080, 194423), (1194, 175860), (1592, 131895), (1791, 117240), (1954, 107460), (1990, 105516), (2388, 87930), (2931, 71640), (2985, 70344), (3582, 58620), (3908, 53730), (3980, 52758), (4776, 43965), (4885, 42984), (5373, 39080), (5862, 35820), (5970, 35172), (7164, 29310), (7816, 26865), (7960, 26379), (8793, 23880), (8955, 23448), (9770, 21492), (10746, 19540), (11724, 17910), (11940, 17586), (14328, 14655)]