388442280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{983}}^1$

素因数の和:1123

約数の個数: 128

約数和(自身を含む): 1211500800

約数和(自身を除く): 823058520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 89, 111, 120, 148, 178, 185, 222, 267, 296, 356, 370, 444, 445, 534, 555, 712, 740, 888, 890, 983, 1068, 1110, 1335, 1480, 1780, 1966, 2136, 2220, 2670, 2949, 3293, 3560, 3932, 4440, 4915, 5340, 5898, 6586, 7864, 9830, 9879, 10680, 11796, 13172, 14745, 16465, 19660, 19758, 23592, 26344, 29490, 32930, 36371, 39320, 39516, 49395, 58980, 65860, 72742, 79032, 87487, 98790, 109113, 117960, 131720, 145484, 174974, 181855, 197580, 218226, 262461, 290968, 349948, 363710, 395160, 436452, 437435, 524922, 545565, 699896, 727420, 872904, 874870, 1049844, 1091130, 1312305, 1454840, 1749740, 2099688, 2182260, 2624610, 3237019, 3499480, 4364520, 5249220, 6474038, 9711057, 10498440, 12948076, 16185095, 19422114, 25896152, 32370190, 38844228, 48555285, 64740380, 77688456, 97110570, 129480760, 194221140, 388442280]

約数ペア:

[(1, 388442280), (2, 194221140), (3, 129480760), (4, 97110570), (5, 77688456), (6, 64740380), (8, 48555285), (10, 38844228), (12, 32370190), (15, 25896152), (20, 19422114), (24, 16185095), (30, 12948076), (37, 10498440), (40, 9711057), (60, 6474038), (74, 5249220), (89, 4364520), (111, 3499480), (120, 3237019), (148, 2624610), (178, 2182260), (185, 2099688), (222, 1749740), (267, 1454840), (296, 1312305), (356, 1091130), (370, 1049844), (444, 874870), (445, 872904), (534, 727420), (555, 699896), (712, 545565), (740, 524922), (888, 437435), (890, 436452), (983, 395160), (1068, 363710), (1110, 349948), (1335, 290968), (1480, 262461), (1780, 218226), (1966, 197580), (2136, 181855), (2220, 174974), (2670, 145484), (2949, 131720), (3293, 117960), (3560, 109113), (3932, 98790), (4440, 87487), (4915, 79032), (5340, 72742), (5898, 65860), (6586, 58980), (7864, 49395), (9830, 39516), (9879, 39320), (10680, 36371), (11796, 32930), (13172, 29490), (14745, 26344), (16465, 23592), (19660, 19758)]