221120340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{75211}}^1$

素因数の和:75237

約数の個数: 72

約数和(自身を含む): 720230112

約数和(自身を除く): 499109772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 75211, 150422, 225633, 300844, 376055, 451266, 526477, 752110, 902532, 1052954, 1128165, 1504220, 1579431, 2105908, 2256330, 2632385, 3158862, 3685339, 4512660, 5264770, 6317724, 7370678, 7897155, 10529540, 11056017, 14741356, 15794310, 18426695, 22112034, 31588620, 36853390, 44224068, 55280085, 73706780, 110560170, 221120340]

約数ペア:

[(1, 221120340), (2, 110560170), (3, 73706780), (4, 55280085), (5, 44224068), (6, 36853390), (7, 31588620), (10, 22112034), (12, 18426695), (14, 15794310), (15, 14741356), (20, 11056017), (21, 10529540), (28, 7897155), (30, 7370678), (35, 6317724), (42, 5264770), (49, 4512660), (60, 3685339), (70, 3158862), (84, 2632385), (98, 2256330), (105, 2105908), (140, 1579431), (147, 1504220), (196, 1128165), (210, 1052954), (245, 902532), (294, 752110), (420, 526477), (490, 451266), (588, 376055), (735, 300844), (980, 225633), (1470, 150422), (2940, 75211)]