201210121970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{12791489}}^1$

素因数の和:12791531

約数の個数: 48

約数和(自身を含む): 428719578840

約数和(自身を除く): 227509456870

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 3146, 7865, 15730, 12791489, 25582978, 63957445, 127914890, 140706379, 166289357, 281412758, 332578714, 703531895, 831446785, 1407063790, 1547770169, 1662893570, 1829182927, 3095540338, 3658365854, 7738850845, 9145914635, 15477701690, 18291829270, 20121012197, 40242024394, 100605060985, 201210121970]

約数ペア:

[(1, 201210121970), (2, 100605060985), (5, 40242024394), (10, 20121012197), (11, 18291829270), (13, 15477701690), (22, 9145914635), (26, 7738850845), (55, 3658365854), (65, 3095540338), (110, 1829182927), (121, 1662893570), (130, 1547770169), (143, 1407063790), (242, 831446785), (286, 703531895), (605, 332578714), (715, 281412758), (1210, 166289357), (1430, 140706379), (1573, 127914890), (3146, 63957445), (7865, 25582978), (15730, 12791489)]