2021502130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 4168946880

約数和(自身を除く): 2147444750

約数列:

[1, 2, 5, 10, 17, 29, 34, 41, 58, 73, 82, 85, 137, 145, 146, 170, 205, 274, 290, 365, 410, 493, 685, 697, 730, 986, 1189, 1241, 1370, 1394, 2117, 2329, 2378, 2465, 2482, 2993, 3485, 3973, 4234, 4658, 4930, 5617, 5945, 5986, 6205, 6970, 7946, 10001, 10585, 11234, 11645, 11890, 12410, 14965, 19865, 20002, 20213, 21170, 23290, 28085, 29930, 35989, 39730, 40426, 50005, 50881, 56170, 67541, 71978, 86797, 95489, 100010, 101065, 101762, 135082, 162893, 170017, 173594, 179945, 190978, 202130, 254405, 290029, 325786, 337705, 340034, 359890, 410041, 433985, 477445, 508810, 580058, 675410, 814465, 820082, 850085, 867970, 954890, 1450145, 1475549, 1628930, 1700170, 2050205, 2769181, 2900290, 2951098, 4100410, 4930493, 5538362, 6970697, 7377745, 9860986, 11891189, 13845905, 13941394, 14755490, 23782378, 24652465, 27691810, 34853485, 49304930, 59455945, 69706970, 118911890, 202150213, 404300426, 1010751065, 2021502130]

約数ペア:

[(1, 2021502130), (2, 1010751065), (5, 404300426), (10, 202150213), (17, 118911890), (29, 69706970), (34, 59455945), (41, 49304930), (58, 34853485), (73, 27691810), (82, 24652465), (85, 23782378), (137, 14755490), (145, 13941394), (146, 13845905), (170, 11891189), (205, 9860986), (274, 7377745), (290, 6970697), (365, 5538362), (410, 4930493), (493, 4100410), (685, 2951098), (697, 2900290), (730, 2769181), (986, 2050205), (1189, 1700170), (1241, 1628930), (1370, 1475549), (1394, 1450145), (2117, 954890), (2329, 867970), (2378, 850085), (2465, 820082), (2482, 814465), (2993, 675410), (3485, 580058), (3973, 508810), (4234, 477445), (4658, 433985), (4930, 410041), (5617, 359890), (5945, 340034), (5986, 337705), (6205, 325786), (6970, 290029), (7946, 254405), (10001, 202130), (10585, 190978), (11234, 179945), (11645, 173594), (11890, 170017), (12410, 162893), (14965, 135082), (19865, 101762), (20002, 101065), (20213, 100010), (21170, 95489), (23290, 86797), (28085, 71978), (29930, 67541), (35989, 56170), (39730, 50881), (40426, 50005)]