211672920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 672883200

約数和(自身を除く): 461210280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 263, 285, 353, 380, 456, 526, 570, 706, 760, 789, 1052, 1059, 1140, 1315, 1412, 1578, 1765, 2104, 2118, 2280, 2630, 2824, 3156, 3530, 3945, 4236, 4997, 5260, 5295, 6312, 6707, 7060, 7890, 8472, 9994, 10520, 10590, 13414, 14120, 14991, 15780, 19988, 20121, 21180, 24985, 26828, 29982, 31560, 33535, 39976, 40242, 42360, 49970, 53656, 59964, 67070, 74955, 80484, 92839, 99940, 100605, 119928, 134140, 149910, 160968, 185678, 199880, 201210, 268280, 278517, 299820, 371356, 402420, 464195, 557034, 599640, 742712, 804840, 928390, 1114068, 1392585, 1763941, 1856780, 2228136, 2785170, 3527882, 3713560, 5291823, 5570340, 7055764, 8819705, 10583646, 11140680, 14111528, 17639410, 21167292, 26459115, 35278820, 42334584, 52918230, 70557640, 105836460, 211672920]

約数ペア:

[(1, 211672920), (2, 105836460), (3, 70557640), (4, 52918230), (5, 42334584), (6, 35278820), (8, 26459115), (10, 21167292), (12, 17639410), (15, 14111528), (19, 11140680), (20, 10583646), (24, 8819705), (30, 7055764), (38, 5570340), (40, 5291823), (57, 3713560), (60, 3527882), (76, 2785170), (95, 2228136), (114, 1856780), (120, 1763941), (152, 1392585), (190, 1114068), (228, 928390), (263, 804840), (285, 742712), (353, 599640), (380, 557034), (456, 464195), (526, 402420), (570, 371356), (706, 299820), (760, 278517), (789, 268280), (1052, 201210), (1059, 199880), (1140, 185678), (1315, 160968), (1412, 149910), (1578, 134140), (1765, 119928), (2104, 100605), (2118, 99940), (2280, 92839), (2630, 80484), (2824, 74955), (3156, 67070), (3530, 59964), (3945, 53656), (4236, 49970), (4997, 42360), (5260, 40242), (5295, 39976), (6312, 33535), (6707, 31560), (7060, 29982), (7890, 26828), (8472, 24985), (9994, 21180), (10520, 20121), (10590, 19988), (13414, 15780), (14120, 14991)]