418271840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1781

約数の個数: 144

約数和(自身を含む): 1187270784

約数和(自身を除く): 768998944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1721, 1736, 1960, 2170, 2480, 3038, 3442, 3472, 3920, 4340, 4960, 6076, 6884, 6944, 7595, 7840, 8605, 8680, 12047, 12152, 13768, 15190, 17210, 17360, 24094, 24304, 27536, 30380, 34420, 34720, 48188, 48608, 53351, 55072, 60235, 60760, 68840, 84329, 96376, 106702, 120470, 121520, 137680, 168658, 192752, 213404, 240940, 243040, 266755, 275360, 337316, 373457, 385504, 421645, 426808, 481880, 533510, 674632, 746914, 843290, 853616, 963760, 1067020, 1349264, 1493828, 1686580, 1707232, 1867285, 1927520, 2134040, 2614199, 2698528, 2987656, 3373160, 3734570, 4268080, 5228398, 5975312, 6746320, 7469140, 8536160, 10456796, 11950624, 13070995, 13492640, 14938280, 20913592, 26141990, 29876560, 41827184, 52283980, 59753120, 83654368, 104567960, 209135920, 418271840]

約数ペア:

[(1, 418271840), (2, 209135920), (4, 104567960), (5, 83654368), (7, 59753120), (8, 52283980), (10, 41827184), (14, 29876560), (16, 26141990), (20, 20913592), (28, 14938280), (31, 13492640), (32, 13070995), (35, 11950624), (40, 10456796), (49, 8536160), (56, 7469140), (62, 6746320), (70, 5975312), (80, 5228398), (98, 4268080), (112, 3734570), (124, 3373160), (140, 2987656), (155, 2698528), (160, 2614199), (196, 2134040), (217, 1927520), (224, 1867285), (245, 1707232), (248, 1686580), (280, 1493828), (310, 1349264), (392, 1067020), (434, 963760), (490, 853616), (496, 843290), (560, 746914), (620, 674632), (784, 533510), (868, 481880), (980, 426808), (992, 421645), (1085, 385504), (1120, 373457), (1240, 337316), (1519, 275360), (1568, 266755), (1721, 243040), (1736, 240940), (1960, 213404), (2170, 192752), (2480, 168658), (3038, 137680), (3442, 121520), (3472, 120470), (3920, 106702), (4340, 96376), (4960, 84329), (6076, 68840), (6884, 60760), (6944, 60235), (7595, 55072), (7840, 53351), (8605, 48608), (8680, 48188), (12047, 34720), (12152, 34420), (13768, 30380), (15190, 27536), (17210, 24304), (17360, 24094)]