212571870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 604661760

約数和(自身を除く): 392089890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 71, 105, 106, 142, 159, 210, 213, 265, 269, 318, 355, 371, 426, 497, 530, 538, 710, 742, 795, 807, 994, 1065, 1113, 1345, 1491, 1590, 1614, 1855, 1883, 2130, 2226, 2485, 2690, 2982, 3710, 3763, 3766, 4035, 4970, 5565, 5649, 7455, 7526, 8070, 9415, 11130, 11289, 11298, 14257, 14910, 18815, 18830, 19099, 22578, 26341, 28245, 28514, 37630, 38198, 42771, 52682, 56445, 56490, 57297, 71285, 79023, 85542, 95495, 99799, 112890, 114594, 131705, 133693, 142570, 158046, 190990, 199598, 213855, 263410, 267386, 286485, 299397, 395115, 401079, 427710, 498995, 572970, 598794, 668465, 790230, 802158, 997990, 1012247, 1336930, 1496985, 2005395, 2024494, 2993970, 3036741, 4010790, 5061235, 6073482, 7085729, 10122470, 14171458, 15183705, 21257187, 30367410, 35428645, 42514374, 70857290, 106285935, 212571870]

約数ペア:

[(1, 212571870), (2, 106285935), (3, 70857290), (5, 42514374), (6, 35428645), (7, 30367410), (10, 21257187), (14, 15183705), (15, 14171458), (21, 10122470), (30, 7085729), (35, 6073482), (42, 5061235), (53, 4010790), (70, 3036741), (71, 2993970), (105, 2024494), (106, 2005395), (142, 1496985), (159, 1336930), (210, 1012247), (213, 997990), (265, 802158), (269, 790230), (318, 668465), (355, 598794), (371, 572970), (426, 498995), (497, 427710), (530, 401079), (538, 395115), (710, 299397), (742, 286485), (795, 267386), (807, 263410), (994, 213855), (1065, 199598), (1113, 190990), (1345, 158046), (1491, 142570), (1590, 133693), (1614, 131705), (1855, 114594), (1883, 112890), (2130, 99799), (2226, 95495), (2485, 85542), (2690, 79023), (2982, 71285), (3710, 57297), (3763, 56490), (3766, 56445), (4035, 52682), (4970, 42771), (5565, 38198), (5649, 37630), (7455, 28514), (7526, 28245), (8070, 26341), (9415, 22578), (11130, 19099), (11289, 18830), (11298, 18815), (14257, 14910)]