5420248940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 12635691264

約数和(自身を除く): 7215442324

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 61, 62, 76, 95, 122, 124, 155, 190, 244, 305, 310, 361, 380, 397, 589, 610, 620, 722, 794, 1159, 1178, 1220, 1444, 1588, 1805, 1891, 1985, 2318, 2356, 2945, 3610, 3782, 3970, 4636, 5795, 5890, 7220, 7543, 7564, 7940, 9455, 11191, 11590, 11780, 12307, 15086, 18910, 22021, 22382, 23180, 24217, 24614, 30172, 35929, 37715, 37820, 44042, 44764, 48434, 49228, 55955, 61535, 71858, 75430, 88084, 96868, 110105, 111910, 121085, 123070, 143317, 143716, 150860, 179645, 220210, 223820, 233833, 242170, 246140, 286634, 359290, 440420, 460123, 467666, 484340, 573268, 682651, 716585, 718580, 750727, 920246, 935332, 1169165, 1365302, 1433170, 1501454, 1840492, 2300615, 2338330, 2730604, 2866340, 3002908, 3413255, 3753635, 4442827, 4601230, 4676660, 6826510, 7507270, 8742337, 8885654, 9202460, 13653020, 14263813, 15014540, 17484674, 17771308, 22214135, 28527626, 34969348, 43711685, 44428270, 57055252, 71319065, 87423370, 88856540, 142638130, 174846740, 271012447, 285276260, 542024894, 1084049788, 1355062235, 2710124470, 5420248940]

約数ペア:

[(1, 5420248940), (2, 2710124470), (4, 1355062235), (5, 1084049788), (10, 542024894), (19, 285276260), (20, 271012447), (31, 174846740), (38, 142638130), (61, 88856540), (62, 87423370), (76, 71319065), (95, 57055252), (122, 44428270), (124, 43711685), (155, 34969348), (190, 28527626), (244, 22214135), (305, 17771308), (310, 17484674), (361, 15014540), (380, 14263813), (397, 13653020), (589, 9202460), (610, 8885654), (620, 8742337), (722, 7507270), (794, 6826510), (1159, 4676660), (1178, 4601230), (1220, 4442827), (1444, 3753635), (1588, 3413255), (1805, 3002908), (1891, 2866340), (1985, 2730604), (2318, 2338330), (2356, 2300615), (2945, 1840492), (3610, 1501454), (3782, 1433170), (3970, 1365302), (4636, 1169165), (5795, 935332), (5890, 920246), (7220, 750727), (7543, 718580), (7564, 716585), (7940, 682651), (9455, 573268), (11191, 484340), (11590, 467666), (11780, 460123), (12307, 440420), (15086, 359290), (18910, 286634), (22021, 246140), (22382, 242170), (23180, 233833), (24217, 223820), (24614, 220210), (30172, 179645), (35929, 150860), (37715, 143716), (37820, 143317), (44042, 123070), (44764, 121085), (48434, 111910), (49228, 110105), (55955, 96868), (61535, 88084), (71858, 75430)]