490071780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{22501}}^1$

素因数の和:22538

約数の個数: 108

約数和(自身を含む): 1634050236

約数和(自身を除く): 1143978456

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 10890, 21780, 22501, 45002, 67503, 90004, 112505, 135006, 202509, 225010, 247511, 270012, 337515, 405018, 450020, 495022, 675030, 742533, 810036, 990044, 1012545, 1237555, 1350060, 1485066, 2025090, 2227599, 2475110, 2722621, 2970132, 3712665, 4050180, 4455198, 4950220, 5445242, 7425330, 8167863, 8910396, 10890484, 11137995, 13613105, 14850660, 16335726, 22275990, 24503589, 27226210, 32671452, 40839315, 44551980, 49007178, 54452420, 81678630, 98014356, 122517945, 163357260, 245035890, 490071780]

約数ペア:

[(1, 490071780), (2, 245035890), (3, 163357260), (4, 122517945), (5, 98014356), (6, 81678630), (9, 54452420), (10, 49007178), (11, 44551980), (12, 40839315), (15, 32671452), (18, 27226210), (20, 24503589), (22, 22275990), (30, 16335726), (33, 14850660), (36, 13613105), (44, 11137995), (45, 10890484), (55, 8910396), (60, 8167863), (66, 7425330), (90, 5445242), (99, 4950220), (110, 4455198), (121, 4050180), (132, 3712665), (165, 2970132), (180, 2722621), (198, 2475110), (220, 2227599), (242, 2025090), (330, 1485066), (363, 1350060), (396, 1237555), (484, 1012545), (495, 990044), (605, 810036), (660, 742533), (726, 675030), (990, 495022), (1089, 450020), (1210, 405018), (1452, 337515), (1815, 270012), (1980, 247511), (2178, 225010), (2420, 202509), (3630, 135006), (4356, 112505), (5445, 90004), (7260, 67503), (10890, 45002), (21780, 22501)]