42961660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:587

約数の個数: 96

約数和(自身を含む): 112250880

約数和(自身を除く): 69289220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 521, 532, 589, 620, 665, 868, 1042, 1085, 1178, 1330, 2084, 2170, 2356, 2605, 2660, 2945, 3647, 4123, 4340, 5210, 5890, 7294, 8246, 9899, 10420, 11780, 14588, 16151, 16492, 18235, 19798, 20615, 32302, 36470, 39596, 41230, 49495, 64604, 69293, 72940, 80755, 82460, 98990, 113057, 138586, 161510, 197980, 226114, 277172, 306869, 323020, 346465, 452228, 565285, 613738, 692930, 1130570, 1227476, 1385860, 1534345, 2148083, 2261140, 3068690, 4296166, 6137380, 8592332, 10740415, 21480830, 42961660]

約数ペア:

[(1, 42961660), (2, 21480830), (4, 10740415), (5, 8592332), (7, 6137380), (10, 4296166), (14, 3068690), (19, 2261140), (20, 2148083), (28, 1534345), (31, 1385860), (35, 1227476), (38, 1130570), (62, 692930), (70, 613738), (76, 565285), (95, 452228), (124, 346465), (133, 323020), (140, 306869), (155, 277172), (190, 226114), (217, 197980), (266, 161510), (310, 138586), (380, 113057), (434, 98990), (521, 82460), (532, 80755), (589, 72940), (620, 69293), (665, 64604), (868, 49495), (1042, 41230), (1085, 39596), (1178, 36470), (1330, 32302), (2084, 20615), (2170, 19798), (2356, 18235), (2605, 16492), (2660, 16151), (2945, 14588), (3647, 11780), (4123, 10420), (4340, 9899), (5210, 8246), (5890, 7294)]