25450110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 80028000

約数和(自身を除く): 54577890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 49, 58, 63, 70, 87, 90, 98, 105, 126, 145, 147, 174, 199, 203, 210, 245, 261, 290, 294, 315, 398, 406, 435, 441, 490, 522, 597, 609, 630, 735, 870, 882, 995, 1015, 1194, 1218, 1305, 1393, 1421, 1470, 1791, 1827, 1990, 2030, 2205, 2610, 2786, 2842, 2985, 3045, 3582, 3654, 4179, 4263, 4410, 5771, 5970, 6090, 6965, 7105, 8358, 8526, 8955, 9135, 9751, 11542, 12537, 12789, 13930, 14210, 17313, 17910, 18270, 19502, 20895, 21315, 25074, 25578, 28855, 29253, 34626, 40397, 41790, 42630, 48755, 51939, 57710, 58506, 62685, 63945, 80794, 86565, 87759, 97510, 103878, 121191, 125370, 127890, 146265, 173130, 175518, 201985, 242382, 259695, 282779, 292530, 363573, 403970, 438795, 519390, 565558, 605955, 727146, 848337, 877590, 1211910, 1413895, 1696674, 1817865, 2545011, 2827790, 3635730, 4241685, 5090022, 8483370, 12725055, 25450110]

約数ペア:

[(1, 25450110), (2, 12725055), (3, 8483370), (5, 5090022), (6, 4241685), (7, 3635730), (9, 2827790), (10, 2545011), (14, 1817865), (15, 1696674), (18, 1413895), (21, 1211910), (29, 877590), (30, 848337), (35, 727146), (42, 605955), (45, 565558), (49, 519390), (58, 438795), (63, 403970), (70, 363573), (87, 292530), (90, 282779), (98, 259695), (105, 242382), (126, 201985), (145, 175518), (147, 173130), (174, 146265), (199, 127890), (203, 125370), (210, 121191), (245, 103878), (261, 97510), (290, 87759), (294, 86565), (315, 80794), (398, 63945), (406, 62685), (435, 58506), (441, 57710), (490, 51939), (522, 48755), (597, 42630), (609, 41790), (630, 40397), (735, 34626), (870, 29253), (882, 28855), (995, 25578), (1015, 25074), (1194, 21315), (1218, 20895), (1305, 19502), (1393, 18270), (1421, 17910), (1470, 17313), (1791, 14210), (1827, 13930), (1990, 12789), (2030, 12537), (2205, 11542), (2610, 9751), (2786, 9135), (2842, 8955), (2985, 8526), (3045, 8358), (3582, 7105), (3654, 6965), (4179, 6090), (4263, 5970), (4410, 5771)]