51131192900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:790

約数の個数: 144

約数和(自身を含む): 114589374144

約数和(自身を除く): 63458181244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 97, 100, 146, 163, 194, 292, 326, 365, 388, 443, 485, 652, 730, 815, 886, 970, 1460, 1630, 1772, 1825, 1940, 2215, 2425, 3260, 3650, 4075, 4430, 4850, 7081, 7300, 8150, 8860, 9700, 11075, 11899, 14162, 15811, 16300, 22150, 23798, 28324, 31622, 32339, 35405, 42971, 44300, 47596, 59495, 63244, 64678, 70810, 72209, 79055, 85942, 118990, 129356, 141620, 144418, 158110, 161695, 171884, 177025, 214855, 237980, 288836, 297475, 316220, 323390, 354050, 361045, 395275, 429710, 594950, 646780, 708100, 722090, 790550, 808475, 859420, 1074275, 1154203, 1189900, 1444180, 1581100, 1616950, 1805225, 2148550, 2308406, 3136883, 3233900, 3610450, 4297100, 4616812, 5271257, 5771015, 6273766, 7004273, 7220900, 10542514, 11542030, 12547532, 14008546, 15684415, 21085028, 23084060, 26356285, 28017092, 28855075, 31368830, 35021365, 52712570, 57710150, 62737660, 70042730, 78422075, 105425140, 115420300, 131781425, 140085460, 156844150, 175106825, 263562850, 313688300, 350213650, 511311929, 527125700, 700427300, 1022623858, 2045247716, 2556559645, 5113119290, 10226238580, 12782798225, 25565596450, 51131192900]

約数ペア:

[(1, 51131192900), (2, 25565596450), (4, 12782798225), (5, 10226238580), (10, 5113119290), (20, 2556559645), (25, 2045247716), (50, 1022623858), (73, 700427300), (97, 527125700), (100, 511311929), (146, 350213650), (163, 313688300), (194, 263562850), (292, 175106825), (326, 156844150), (365, 140085460), (388, 131781425), (443, 115420300), (485, 105425140), (652, 78422075), (730, 70042730), (815, 62737660), (886, 57710150), (970, 52712570), (1460, 35021365), (1630, 31368830), (1772, 28855075), (1825, 28017092), (1940, 26356285), (2215, 23084060), (2425, 21085028), (3260, 15684415), (3650, 14008546), (4075, 12547532), (4430, 11542030), (4850, 10542514), (7081, 7220900), (7300, 7004273), (8150, 6273766), (8860, 5771015), (9700, 5271257), (11075, 4616812), (11899, 4297100), (14162, 3610450), (15811, 3233900), (16300, 3136883), (22150, 2308406), (23798, 2148550), (28324, 1805225), (31622, 1616950), (32339, 1581100), (35405, 1444180), (42971, 1189900), (44300, 1154203), (47596, 1074275), (59495, 859420), (63244, 808475), (64678, 790550), (70810, 722090), (72209, 708100), (79055, 646780), (85942, 594950), (118990, 429710), (129356, 395275), (141620, 361045), (144418, 354050), (158110, 323390), (161695, 316220), (171884, 297475), (177025, 288836), (214855, 237980)]