84972940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 205470720

約数和(自身を除く): 120497780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 103, 130, 167, 190, 206, 247, 260, 334, 380, 412, 494, 515, 668, 835, 988, 1030, 1235, 1339, 1670, 1957, 2060, 2171, 2470, 2678, 3173, 3340, 3914, 4342, 4940, 5356, 6346, 6695, 7828, 8684, 9785, 10855, 12692, 13390, 15865, 17201, 19570, 21710, 25441, 26780, 31730, 34402, 39140, 41249, 43420, 50882, 63460, 68804, 82498, 86005, 101764, 127205, 164996, 172010, 206245, 223613, 254410, 326819, 344020, 412490, 447226, 508820, 653638, 824980, 894452, 1118065, 1307276, 1634095, 2236130, 3268190, 4248647, 4472260, 6536380, 8497294, 16994588, 21243235, 42486470, 84972940]

約数ペア:

[(1, 84972940), (2, 42486470), (4, 21243235), (5, 16994588), (10, 8497294), (13, 6536380), (19, 4472260), (20, 4248647), (26, 3268190), (38, 2236130), (52, 1634095), (65, 1307276), (76, 1118065), (95, 894452), (103, 824980), (130, 653638), (167, 508820), (190, 447226), (206, 412490), (247, 344020), (260, 326819), (334, 254410), (380, 223613), (412, 206245), (494, 172010), (515, 164996), (668, 127205), (835, 101764), (988, 86005), (1030, 82498), (1235, 68804), (1339, 63460), (1670, 50882), (1957, 43420), (2060, 41249), (2171, 39140), (2470, 34402), (2678, 31730), (3173, 26780), (3340, 25441), (3914, 21710), (4342, 19570), (4940, 17201), (5356, 15865), (6346, 13390), (6695, 12692), (7828, 10855), (8684, 9785)]