2227431220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 5664701952

約数和(自身を除く): 3437270732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 157, 196, 217, 245, 310, 314, 434, 467, 490, 620, 628, 785, 868, 934, 980, 1085, 1099, 1519, 1570, 1868, 2170, 2198, 2335, 3038, 3140, 3269, 4340, 4396, 4670, 4867, 5495, 6076, 6538, 7595, 7693, 9340, 9734, 10990, 13076, 14477, 15190, 15386, 16345, 19468, 21980, 22883, 24335, 28954, 30380, 30772, 32690, 34069, 38465, 45766, 48670, 57908, 65380, 68138, 72385, 73319, 76930, 91532, 97340, 101339, 114415, 136276, 144770, 146638, 153860, 170345, 202678, 228830, 238483, 289540, 293276, 340690, 366595, 405356, 457660, 476966, 506695, 513233, 681380, 709373, 733190, 953932, 1013390, 1026466, 1192415, 1418746, 1466380, 2026780, 2052932, 2272889, 2384830, 2566165, 2837492, 3546865, 3592631, 4545778, 4769660, 5132330, 7093730, 7185262, 9091556, 10264660, 11364445, 14187460, 14370524, 15910223, 17963155, 22728890, 31820446, 35926310, 45457780, 63640892, 71852620, 79551115, 111371561, 159102230, 222743122, 318204460, 445486244, 556857805, 1113715610, 2227431220]

約数ペア:

[(1, 2227431220), (2, 1113715610), (4, 556857805), (5, 445486244), (7, 318204460), (10, 222743122), (14, 159102230), (20, 111371561), (28, 79551115), (31, 71852620), (35, 63640892), (49, 45457780), (62, 35926310), (70, 31820446), (98, 22728890), (124, 17963155), (140, 15910223), (155, 14370524), (157, 14187460), (196, 11364445), (217, 10264660), (245, 9091556), (310, 7185262), (314, 7093730), (434, 5132330), (467, 4769660), (490, 4545778), (620, 3592631), (628, 3546865), (785, 2837492), (868, 2566165), (934, 2384830), (980, 2272889), (1085, 2052932), (1099, 2026780), (1519, 1466380), (1570, 1418746), (1868, 1192415), (2170, 1026466), (2198, 1013390), (2335, 953932), (3038, 733190), (3140, 709373), (3269, 681380), (4340, 513233), (4396, 506695), (4670, 476966), (4867, 457660), (5495, 405356), (6076, 366595), (6538, 340690), (7595, 293276), (7693, 289540), (9340, 238483), (9734, 228830), (10990, 202678), (13076, 170345), (14477, 153860), (15190, 146638), (15386, 144770), (16345, 136276), (19468, 114415), (21980, 101339), (22883, 97340), (24335, 91532), (28954, 76930), (30380, 73319), (30772, 72385), (32690, 68138), (34069, 65380), (38465, 57908), (45766, 48670)]