22182188180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:989

約数の個数: 96

約数和(自身を含む): 48220492320

約数和(自身を除く): 26038304140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 197, 205, 353, 389, 394, 410, 706, 778, 788, 820, 985, 1412, 1556, 1765, 1945, 1970, 3530, 3890, 3940, 7060, 7780, 8077, 14473, 15949, 16154, 28946, 31898, 32308, 40385, 57892, 63796, 69541, 72365, 76633, 79745, 80770, 137317, 139082, 144730, 153266, 159490, 161540, 274634, 278164, 289460, 306532, 318980, 347705, 383165, 549268, 686585, 695410, 766330, 1373170, 1390820, 1532660, 2746340, 2851181, 3141953, 5629997, 5702362, 6283906, 11259994, 11404724, 12567812, 14255905, 15709765, 22519988, 27051449, 28149985, 28511810, 31419530, 54102898, 56299970, 57023620, 62839060, 108205796, 112599940, 135257245, 270514490, 541028980, 1109109409, 2218218818, 4436437636, 5545547045, 11091094090, 22182188180]

約数ペア:

[(1, 22182188180), (2, 11091094090), (4, 5545547045), (5, 4436437636), (10, 2218218818), (20, 1109109409), (41, 541028980), (82, 270514490), (164, 135257245), (197, 112599940), (205, 108205796), (353, 62839060), (389, 57023620), (394, 56299970), (410, 54102898), (706, 31419530), (778, 28511810), (788, 28149985), (820, 27051449), (985, 22519988), (1412, 15709765), (1556, 14255905), (1765, 12567812), (1945, 11404724), (1970, 11259994), (3530, 6283906), (3890, 5702362), (3940, 5629997), (7060, 3141953), (7780, 2851181), (8077, 2746340), (14473, 1532660), (15949, 1390820), (16154, 1373170), (28946, 766330), (31898, 695410), (32308, 686585), (40385, 549268), (57892, 383165), (63796, 347705), (69541, 318980), (72365, 306532), (76633, 289460), (79745, 278164), (80770, 274634), (137317, 161540), (139082, 159490), (144730, 153266)]