399128520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{9697}}^1$

素因数の和:9732

約数の個数: 128

約数和(自身を含む): 1396512000

約数和(自身を除く): 997383480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 8232, 9697, 10290, 13720, 19394, 20580, 29091, 38788, 41160, 48485, 58182, 67879, 77576, 96970, 116364, 135758, 145455, 193940, 203637, 232728, 271516, 290910, 339395, 387880, 407274, 475153, 543032, 581820, 678790, 814548, 950306, 1018185, 1163640, 1357580, 1425459, 1629096, 1900612, 2036370, 2375765, 2715160, 2850918, 3326071, 3801224, 4072740, 4751530, 5701836, 6652142, 7127295, 8145480, 9503060, 9978213, 11403672, 13304284, 14254590, 16630355, 19006120, 19956426, 26608568, 28509180, 33260710, 39912852, 49891065, 57018360, 66521420, 79825704, 99782130, 133042840, 199564260, 399128520]

約数ペア:

[(1, 399128520), (2, 199564260), (3, 133042840), (4, 99782130), (5, 79825704), (6, 66521420), (7, 57018360), (8, 49891065), (10, 39912852), (12, 33260710), (14, 28509180), (15, 26608568), (20, 19956426), (21, 19006120), (24, 16630355), (28, 14254590), (30, 13304284), (35, 11403672), (40, 9978213), (42, 9503060), (49, 8145480), (56, 7127295), (60, 6652142), (70, 5701836), (84, 4751530), (98, 4072740), (105, 3801224), (120, 3326071), (140, 2850918), (147, 2715160), (168, 2375765), (196, 2036370), (210, 1900612), (245, 1629096), (280, 1425459), (294, 1357580), (343, 1163640), (392, 1018185), (420, 950306), (490, 814548), (588, 678790), (686, 581820), (735, 543032), (840, 475153), (980, 407274), (1029, 387880), (1176, 339395), (1372, 290910), (1470, 271516), (1715, 232728), (1960, 203637), (2058, 193940), (2744, 145455), (2940, 135758), (3430, 116364), (4116, 96970), (5145, 77576), (5880, 67879), (6860, 58182), (8232, 48485), (9697, 41160), (10290, 38788), (13720, 29091), (19394, 20580)]