400935420

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:391

約数の個数: 168

約数和(自身を含む): 1279124784

約数和(自身を除く): 878189364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 135, 162, 180, 214, 243, 257, 270, 321, 324, 405, 428, 486, 514, 535, 540, 642, 729, 771, 810, 963, 972, 1028, 1070, 1215, 1284, 1285, 1458, 1542, 1605, 1620, 1926, 2140, 2313, 2430, 2570, 2889, 2916, 3084, 3210, 3645, 3852, 3855, 4626, 4815, 4860, 5140, 5778, 6420, 6939, 7290, 7710, 8667, 9252, 9630, 11556, 11565, 13878, 14445, 14580, 15420, 17334, 19260, 20817, 23130, 26001, 27499, 27756, 28890, 34668, 34695, 41634, 43335, 46260, 52002, 54998, 57780, 62451, 69390, 78003, 82497, 83268, 86670, 104004, 104085, 109996, 124902, 130005, 137495, 138780, 156006, 164994, 173340, 187353, 208170, 247491, 249804, 260010, 274990, 312012, 312255, 329988, 374706, 390015, 412485, 416340, 494982, 520020, 549980, 624510, 742473, 749412, 780030, 824970, 936765, 989964, 1237455, 1249020, 1484946, 1560060, 1649940, 1873530, 2227419, 2474910, 2969892, 3712365, 3747060, 4454838, 4949820, 6682257, 7424730, 8909676, 11137095, 13364514, 14849460, 20046771, 22274190, 26729028, 33411285, 40093542, 44548380, 66822570, 80187084, 100233855, 133645140, 200467710, 400935420]

約数ペア:

[(1, 400935420), (2, 200467710), (3, 133645140), (4, 100233855), (5, 80187084), (6, 66822570), (9, 44548380), (10, 40093542), (12, 33411285), (15, 26729028), (18, 22274190), (20, 20046771), (27, 14849460), (30, 13364514), (36, 11137095), (45, 8909676), (54, 7424730), (60, 6682257), (81, 4949820), (90, 4454838), (107, 3747060), (108, 3712365), (135, 2969892), (162, 2474910), (180, 2227419), (214, 1873530), (243, 1649940), (257, 1560060), (270, 1484946), (321, 1249020), (324, 1237455), (405, 989964), (428, 936765), (486, 824970), (514, 780030), (535, 749412), (540, 742473), (642, 624510), (729, 549980), (771, 520020), (810, 494982), (963, 416340), (972, 412485), (1028, 390015), (1070, 374706), (1215, 329988), (1284, 312255), (1285, 312012), (1458, 274990), (1542, 260010), (1605, 249804), (1620, 247491), (1926, 208170), (2140, 187353), (2313, 173340), (2430, 164994), (2570, 156006), (2889, 138780), (2916, 137495), (3084, 130005), (3210, 124902), (3645, 109996), (3852, 104085), (3855, 104004), (4626, 86670), (4815, 83268), (4860, 82497), (5140, 78003), (5778, 69390), (6420, 62451), (6939, 57780), (7290, 54998), (7710, 52002), (8667, 46260), (9252, 43335), (9630, 41634), (11556, 34695), (11565, 34668), (13878, 28890), (14445, 27756), (14580, 27499), (15420, 26001), (17334, 23130), (19260, 20817)]