18797590900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{1279}}^1$

素因数の和:1766

約数の個数: 144

約数和(自身を含む): 46077050880

約数和(自身を除く): 27279459980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 431, 550, 620, 682, 775, 862, 1100, 1279, 1364, 1550, 1705, 1724, 2155, 2558, 3100, 3410, 4310, 4741, 5116, 6395, 6820, 8525, 8620, 9482, 10775, 12790, 13361, 14069, 17050, 18964, 21550, 23705, 25580, 26722, 28138, 31975, 34100, 39649, 43100, 47410, 53444, 56276, 63950, 66805, 70345, 79298, 94820, 118525, 127900, 133610, 140690, 146971, 158596, 198245, 237050, 267220, 281380, 293942, 334025, 351725, 396490, 436139, 474100, 551249, 587884, 668050, 703450, 734855, 792980, 872278, 991225, 1102498, 1336100, 1406900, 1469710, 1744556, 1982450, 2180695, 2204996, 2756245, 2939420, 3674275, 3964900, 4361390, 5512490, 6063739, 7348550, 8722780, 10903475, 11024980, 12127478, 13781225, 14697100, 17088719, 21806950, 24254956, 27562450, 30318695, 34177438, 43613900, 55124900, 60637390, 68354876, 85443595, 121274780, 151593475, 170887190, 187975909, 303186950, 341774380, 375951818, 427217975, 606373900, 751903636, 854435950, 939879545, 1708871900, 1879759090, 3759518180, 4699397725, 9398795450, 18797590900]

約数ペア:

[(1, 18797590900), (2, 9398795450), (4, 4699397725), (5, 3759518180), (10, 1879759090), (11, 1708871900), (20, 939879545), (22, 854435950), (25, 751903636), (31, 606373900), (44, 427217975), (50, 375951818), (55, 341774380), (62, 303186950), (100, 187975909), (110, 170887190), (124, 151593475), (155, 121274780), (220, 85443595), (275, 68354876), (310, 60637390), (341, 55124900), (431, 43613900), (550, 34177438), (620, 30318695), (682, 27562450), (775, 24254956), (862, 21806950), (1100, 17088719), (1279, 14697100), (1364, 13781225), (1550, 12127478), (1705, 11024980), (1724, 10903475), (2155, 8722780), (2558, 7348550), (3100, 6063739), (3410, 5512490), (4310, 4361390), (4741, 3964900), (5116, 3674275), (6395, 2939420), (6820, 2756245), (8525, 2204996), (8620, 2180695), (9482, 1982450), (10775, 1744556), (12790, 1469710), (13361, 1406900), (14069, 1336100), (17050, 1102498), (18964, 991225), (21550, 872278), (23705, 792980), (25580, 734855), (26722, 703450), (28138, 668050), (31975, 587884), (34100, 551249), (39649, 474100), (43100, 436139), (47410, 396490), (53444, 351725), (56276, 334025), (63950, 293942), (66805, 281380), (70345, 267220), (79298, 237050), (94820, 198245), (118525, 158596), (127900, 146971), (133610, 140690)]