221194920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 693181440

約数和(自身を除く): 471986520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 97, 120, 124, 155, 186, 194, 248, 291, 310, 372, 388, 465, 485, 582, 613, 620, 744, 776, 930, 970, 1164, 1226, 1240, 1455, 1839, 1860, 1940, 2328, 2452, 2910, 3007, 3065, 3678, 3720, 3880, 4904, 5820, 6014, 6130, 7356, 9021, 9195, 11640, 12028, 12260, 14712, 15035, 18042, 18390, 19003, 24056, 24520, 30070, 36084, 36780, 38006, 45105, 57009, 59461, 60140, 72168, 73560, 76012, 90210, 95015, 114018, 118922, 120280, 152024, 178383, 180420, 190030, 228036, 237844, 285045, 297305, 356766, 360840, 380060, 456072, 475688, 570090, 594610, 713532, 760120, 891915, 1140180, 1189220, 1427064, 1783830, 1843291, 2280360, 2378440, 3567660, 3686582, 5529873, 7135320, 7373164, 9216455, 11059746, 14746328, 18432910, 22119492, 27649365, 36865820, 44238984, 55298730, 73731640, 110597460, 221194920]

約数ペア:

[(1, 221194920), (2, 110597460), (3, 73731640), (4, 55298730), (5, 44238984), (6, 36865820), (8, 27649365), (10, 22119492), (12, 18432910), (15, 14746328), (20, 11059746), (24, 9216455), (30, 7373164), (31, 7135320), (40, 5529873), (60, 3686582), (62, 3567660), (93, 2378440), (97, 2280360), (120, 1843291), (124, 1783830), (155, 1427064), (186, 1189220), (194, 1140180), (248, 891915), (291, 760120), (310, 713532), (372, 594610), (388, 570090), (465, 475688), (485, 456072), (582, 380060), (613, 360840), (620, 356766), (744, 297305), (776, 285045), (930, 237844), (970, 228036), (1164, 190030), (1226, 180420), (1240, 178383), (1455, 152024), (1839, 120280), (1860, 118922), (1940, 114018), (2328, 95015), (2452, 90210), (2910, 76012), (3007, 73560), (3065, 72168), (3678, 60140), (3720, 59461), (3880, 57009), (4904, 45105), (5820, 38006), (6014, 36780), (6130, 36084), (7356, 30070), (9021, 24520), (9195, 24056), (11640, 19003), (12028, 18390), (12260, 18042), (14712, 15035)]