977771970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{221717}}^1$

素因数の和:221744

約数の個数: 72

約数和(自身を含む): 2957274684

約数和(自身を除く): 1979502714

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 221717, 443434, 665151, 1108585, 1330302, 1552019, 1995453, 2217170, 3104038, 3325755, 3990906, 4656057, 6651510, 7760095, 9312114, 9977265, 10864133, 13968171, 15520190, 19954530, 21728266, 23280285, 27936342, 32592399, 46560570, 54320665, 65184798, 69840855, 97777197, 108641330, 139681710, 162961995, 195554394, 325923990, 488885985, 977771970]

約数ペア:

[(1, 977771970), (2, 488885985), (3, 325923990), (5, 195554394), (6, 162961995), (7, 139681710), (9, 108641330), (10, 97777197), (14, 69840855), (15, 65184798), (18, 54320665), (21, 46560570), (30, 32592399), (35, 27936342), (42, 23280285), (45, 21728266), (49, 19954530), (63, 15520190), (70, 13968171), (90, 10864133), (98, 9977265), (105, 9312114), (126, 7760095), (147, 6651510), (210, 4656057), (245, 3990906), (294, 3325755), (315, 3104038), (441, 2217170), (490, 1995453), (630, 1552019), (735, 1330302), (882, 1108585), (1470, 665151), (2205, 443434), (4410, 221717)]