378203720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 933120000

約数和(自身を除く): 554916280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 89, 92, 115, 124, 149, 155, 178, 184, 230, 248, 298, 310, 356, 445, 460, 596, 620, 712, 713, 745, 890, 920, 1192, 1240, 1426, 1490, 1780, 2047, 2759, 2852, 2980, 3427, 3560, 3565, 4094, 4619, 5518, 5704, 5960, 6854, 7130, 8188, 9238, 10235, 11036, 13261, 13708, 13795, 14260, 16376, 17135, 18476, 20470, 22072, 23095, 26522, 27416, 27590, 28520, 34270, 36952, 40940, 46190, 53044, 55180, 63457, 66305, 68540, 81880, 92380, 106088, 106237, 110360, 126914, 132610, 137080, 184760, 212474, 253828, 265220, 305003, 317285, 411091, 424948, 507656, 530440, 531185, 610006, 634570, 822182, 849896, 1062370, 1220012, 1269140, 1525015, 1644364, 2055455, 2124740, 2440024, 2538280, 3050030, 3288728, 4110910, 4249480, 6100060, 8221820, 9455093, 12200120, 16443640, 18910186, 37820372, 47275465, 75640744, 94550930, 189101860, 378203720]

約数ペア:

[(1, 378203720), (2, 189101860), (4, 94550930), (5, 75640744), (8, 47275465), (10, 37820372), (20, 18910186), (23, 16443640), (31, 12200120), (40, 9455093), (46, 8221820), (62, 6100060), (89, 4249480), (92, 4110910), (115, 3288728), (124, 3050030), (149, 2538280), (155, 2440024), (178, 2124740), (184, 2055455), (230, 1644364), (248, 1525015), (298, 1269140), (310, 1220012), (356, 1062370), (445, 849896), (460, 822182), (596, 634570), (620, 610006), (712, 531185), (713, 530440), (745, 507656), (890, 424948), (920, 411091), (1192, 317285), (1240, 305003), (1426, 265220), (1490, 253828), (1780, 212474), (2047, 184760), (2759, 137080), (2852, 132610), (2980, 126914), (3427, 110360), (3560, 106237), (3565, 106088), (4094, 92380), (4619, 81880), (5518, 68540), (5704, 66305), (5960, 63457), (6854, 55180), (7130, 53044), (8188, 46190), (9238, 40940), (10235, 36952), (11036, 34270), (13261, 28520), (13708, 27590), (13795, 27416), (14260, 26522), (16376, 23095), (17135, 22072), (18476, 20470)]