17870793980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1\times {\mathrm{1307}}^1$

素因数の和:2595

約数の個数: 96

約数和(自身を含む): 41420865024

約数和(自身を除く): 23550071044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1223, 1307, 2236, 2446, 2614, 2795, 4892, 5228, 5590, 6115, 6535, 11180, 12230, 13070, 15899, 16991, 24460, 26140, 31798, 33982, 52589, 56201, 63596, 67964, 79495, 84955, 105178, 112402, 158990, 169910, 210356, 224804, 262945, 281005, 317980, 339820, 525890, 562010, 683657, 730613, 1051780, 1124020, 1367314, 1461226, 1598461, 2734628, 2922452, 3196922, 3418285, 3653065, 6393844, 6836570, 7306130, 7992305, 13673140, 14612260, 15984610, 20779993, 31969220, 41559986, 68733823, 83119972, 103899965, 137467646, 207799930, 274935292, 343669115, 415599860, 687338230, 893539699, 1374676460, 1787079398, 3574158796, 4467698495, 8935396990, 17870793980]

約数ペア:

[(1, 17870793980), (2, 8935396990), (4, 4467698495), (5, 3574158796), (10, 1787079398), (13, 1374676460), (20, 893539699), (26, 687338230), (43, 415599860), (52, 343669115), (65, 274935292), (86, 207799930), (130, 137467646), (172, 103899965), (215, 83119972), (260, 68733823), (430, 41559986), (559, 31969220), (860, 20779993), (1118, 15984610), (1223, 14612260), (1307, 13673140), (2236, 7992305), (2446, 7306130), (2614, 6836570), (2795, 6393844), (4892, 3653065), (5228, 3418285), (5590, 3196922), (6115, 2922452), (6535, 2734628), (11180, 1598461), (12230, 1461226), (13070, 1367314), (15899, 1124020), (16991, 1051780), (24460, 730613), (26140, 683657), (31798, 562010), (33982, 525890), (52589, 339820), (56201, 317980), (63596, 281005), (67964, 262945), (79495, 224804), (84955, 210356), (105178, 169910), (112402, 158990)]