189882880

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^2\times {\mathrm{613}}^1$

素因数の和:658

約数の個数: 120

約数和(自身を含む): 501241356

約数和(自身を除く): 311358476

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 512, 605, 613, 640, 704, 880, 968, 1210, 1226, 1280, 1408, 1760, 1936, 2420, 2452, 2560, 2816, 3065, 3520, 3872, 4840, 4904, 5632, 6130, 6743, 7040, 7744, 9680, 9808, 12260, 13486, 14080, 15488, 19360, 19616, 24520, 26972, 28160, 30976, 33715, 38720, 39232, 49040, 53944, 61952, 67430, 74173, 77440, 78464, 98080, 107888, 134860, 148346, 154880, 156928, 196160, 215776, 269720, 296692, 309760, 313856, 370865, 392320, 431552, 539440, 593384, 741730, 784640, 863104, 1078880, 1186768, 1483460, 1569280, 1726208, 2157760, 2373536, 2966920, 3452416, 4315520, 4747072, 5933840, 8631040, 9494144, 11867680, 17262080, 18988288, 23735360, 37976576, 47470720, 94941440, 189882880]

約数ペア:

[(1, 189882880), (2, 94941440), (4, 47470720), (5, 37976576), (8, 23735360), (10, 18988288), (11, 17262080), (16, 11867680), (20, 9494144), (22, 8631040), (32, 5933840), (40, 4747072), (44, 4315520), (55, 3452416), (64, 2966920), (80, 2373536), (88, 2157760), (110, 1726208), (121, 1569280), (128, 1483460), (160, 1186768), (176, 1078880), (220, 863104), (242, 784640), (256, 741730), (320, 593384), (352, 539440), (440, 431552), (484, 392320), (512, 370865), (605, 313856), (613, 309760), (640, 296692), (704, 269720), (880, 215776), (968, 196160), (1210, 156928), (1226, 154880), (1280, 148346), (1408, 134860), (1760, 107888), (1936, 98080), (2420, 78464), (2452, 77440), (2560, 74173), (2816, 67430), (3065, 61952), (3520, 53944), (3872, 49040), (4840, 39232), (4904, 38720), (5632, 33715), (6130, 30976), (6743, 28160), (7040, 26972), (7744, 24520), (9680, 19616), (9808, 19360), (12260, 15488), (13486, 14080)]