221567473820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20553569}}^1$

素因数の和:20553603

約数の個数: 72

約数和(自身を含む): 590462958960

約数和(自身を除く): 368895485140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 20553569, 41107138, 82214276, 102767845, 143874983, 205535690, 226089259, 287749966, 411071380, 452178518, 575499932, 719374915, 904357036, 1007124881, 1130446295, 1438749830, 1582624813, 2014249762, 2260892590, 2877499660, 3165249626, 4028499524, 4521785180, 5035624405, 6330499252, 7913124065, 10071248810, 11078373691, 15826248130, 20142497620, 22156747382, 31652496260, 44313494764, 55391868455, 110783736910, 221567473820]

約数ペア:

[(1, 221567473820), (2, 110783736910), (4, 55391868455), (5, 44313494764), (7, 31652496260), (10, 22156747382), (11, 20142497620), (14, 15826248130), (20, 11078373691), (22, 10071248810), (28, 7913124065), (35, 6330499252), (44, 5035624405), (49, 4521785180), (55, 4028499524), (70, 3165249626), (77, 2877499660), (98, 2260892590), (110, 2014249762), (140, 1582624813), (154, 1438749830), (196, 1130446295), (220, 1007124881), (245, 904357036), (308, 719374915), (385, 575499932), (490, 452178518), (539, 411071380), (770, 287749966), (980, 226089259), (1078, 205535690), (1540, 143874983), (2156, 102767845), (2695, 82214276), (5390, 41107138), (10780, 20553569)]