299306240

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 780971520

約数和(自身を除く): 481665280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 380, 397, 496, 589, 608, 620, 640, 760, 794, 992, 1178, 1216, 1240, 1280, 1520, 1588, 1984, 1985, 2356, 2432, 2480, 2945, 3040, 3176, 3968, 3970, 4712, 4864, 4960, 5890, 6080, 6352, 7543, 7936, 7940, 9424, 9920, 11780, 12160, 12307, 12704, 15086, 15880, 18848, 19840, 23560, 24320, 24614, 25408, 30172, 31760, 37696, 37715, 39680, 47120, 49228, 50816, 60344, 61535, 63520, 75392, 75430, 94240, 98456, 101632, 120688, 123070, 127040, 150784, 150860, 188480, 196912, 233833, 241376, 246140, 254080, 301720, 376960, 393824, 467666, 482752, 492280, 508160, 603440, 753920, 787648, 935332, 965504, 984560, 1169165, 1206880, 1575296, 1870664, 1931008, 1969120, 2338330, 2413760, 3150592, 3741328, 3938240, 4676660, 4827520, 7482656, 7876480, 9353320, 9655040, 14965312, 15752960, 18706640, 29930624, 37413280, 59861248, 74826560, 149653120, 299306240]

約数ペア:

[(1, 299306240), (2, 149653120), (4, 74826560), (5, 59861248), (8, 37413280), (10, 29930624), (16, 18706640), (19, 15752960), (20, 14965312), (31, 9655040), (32, 9353320), (38, 7876480), (40, 7482656), (62, 4827520), (64, 4676660), (76, 3938240), (80, 3741328), (95, 3150592), (124, 2413760), (128, 2338330), (152, 1969120), (155, 1931008), (160, 1870664), (190, 1575296), (248, 1206880), (256, 1169165), (304, 984560), (310, 965504), (320, 935332), (380, 787648), (397, 753920), (496, 603440), (589, 508160), (608, 492280), (620, 482752), (640, 467666), (760, 393824), (794, 376960), (992, 301720), (1178, 254080), (1216, 246140), (1240, 241376), (1280, 233833), (1520, 196912), (1588, 188480), (1984, 150860), (1985, 150784), (2356, 127040), (2432, 123070), (2480, 120688), (2945, 101632), (3040, 98456), (3176, 94240), (3968, 75430), (3970, 75392), (4712, 63520), (4864, 61535), (4960, 60344), (5890, 50816), (6080, 49228), (6352, 47120), (7543, 39680), (7936, 37715), (7940, 37696), (9424, 31760), (9920, 30172), (11780, 25408), (12160, 24614), (12307, 24320), (12704, 23560), (15086, 19840), (15880, 18848)]