647788330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 1427207040

約数和(自身を除く): 779418710

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 229, 230, 245, 251, 322, 458, 490, 502, 805, 1127, 1145, 1255, 1603, 1610, 1757, 2254, 2290, 2510, 3206, 3514, 5267, 5635, 5773, 8015, 8785, 10534, 11221, 11270, 11546, 12299, 16030, 17570, 22442, 24598, 26335, 28865, 36869, 40411, 52670, 56105, 57479, 57730, 61495, 73738, 80822, 112210, 114958, 122990, 184345, 202055, 258083, 282877, 287395, 368690, 402353, 404110, 516166, 565754, 574790, 804706, 1290415, 1322017, 1414385, 2011765, 2580830, 2644034, 2816471, 2828770, 4023530, 5632942, 6610085, 9254119, 13220170, 14082355, 18508238, 28164710, 46270595, 64778833, 92541190, 129557666, 323894165, 647788330]

約数ペア:

[(1, 647788330), (2, 323894165), (5, 129557666), (7, 92541190), (10, 64778833), (14, 46270595), (23, 28164710), (35, 18508238), (46, 14082355), (49, 13220170), (70, 9254119), (98, 6610085), (115, 5632942), (161, 4023530), (229, 2828770), (230, 2816471), (245, 2644034), (251, 2580830), (322, 2011765), (458, 1414385), (490, 1322017), (502, 1290415), (805, 804706), (1127, 574790), (1145, 565754), (1255, 516166), (1603, 404110), (1610, 402353), (1757, 368690), (2254, 287395), (2290, 282877), (2510, 258083), (3206, 202055), (3514, 184345), (5267, 122990), (5635, 114958), (5773, 112210), (8015, 80822), (8785, 73738), (10534, 61495), (11221, 57730), (11270, 57479), (11546, 56105), (12299, 52670), (16030, 40411), (17570, 36869), (22442, 28865), (24598, 26335)]