194352640

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 120

約数和(自身を含む): 487602720

約数和(自身を除く): 293250080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 248, 256, 310, 316, 320, 395, 496, 512, 620, 632, 640, 790, 961, 992, 1240, 1264, 1280, 1580, 1922, 1984, 2449, 2480, 2528, 2560, 3160, 3844, 3968, 4805, 4898, 4960, 5056, 6320, 7688, 7936, 9610, 9796, 9920, 10112, 12245, 12640, 15376, 15872, 19220, 19592, 19840, 20224, 24490, 25280, 30752, 38440, 39184, 39680, 40448, 48980, 50560, 61504, 75919, 76880, 78368, 79360, 97960, 101120, 123008, 151838, 153760, 156736, 195920, 202240, 246016, 303676, 307520, 313472, 379595, 391840, 492032, 607352, 615040, 626944, 759190, 783680, 1214704, 1230080, 1253888, 1518380, 1567360, 2429408, 2460160, 3036760, 3134720, 4858816, 6073520, 6269440, 9717632, 12147040, 19435264, 24294080, 38870528, 48588160, 97176320, 194352640]

約数ペア:

[(1, 194352640), (2, 97176320), (4, 48588160), (5, 38870528), (8, 24294080), (10, 19435264), (16, 12147040), (20, 9717632), (31, 6269440), (32, 6073520), (40, 4858816), (62, 3134720), (64, 3036760), (79, 2460160), (80, 2429408), (124, 1567360), (128, 1518380), (155, 1253888), (158, 1230080), (160, 1214704), (248, 783680), (256, 759190), (310, 626944), (316, 615040), (320, 607352), (395, 492032), (496, 391840), (512, 379595), (620, 313472), (632, 307520), (640, 303676), (790, 246016), (961, 202240), (992, 195920), (1240, 156736), (1264, 153760), (1280, 151838), (1580, 123008), (1922, 101120), (1984, 97960), (2449, 79360), (2480, 78368), (2528, 76880), (2560, 75919), (3160, 61504), (3844, 50560), (3968, 48980), (4805, 40448), (4898, 39680), (4960, 39184), (5056, 38440), (6320, 30752), (7688, 25280), (7936, 24490), (9610, 20224), (9796, 19840), (9920, 19592), (10112, 19220), (12245, 15872), (12640, 15376)]