82646620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 207728640

約数和(自身を除く): 125082020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 137, 139, 140, 155, 217, 274, 278, 310, 434, 548, 556, 620, 685, 695, 868, 959, 973, 1085, 1370, 1390, 1918, 1946, 2170, 2740, 2780, 3836, 3892, 4247, 4309, 4340, 4795, 4865, 8494, 8618, 9590, 9730, 16988, 17236, 19043, 19180, 19460, 21235, 21545, 29729, 30163, 38086, 42470, 43090, 59458, 60326, 76172, 84940, 86180, 95215, 118916, 120652, 133301, 148645, 150815, 190430, 266602, 297290, 301630, 380860, 533204, 590333, 594580, 603260, 666505, 1180666, 1333010, 2361332, 2666020, 2951665, 4132331, 5903330, 8264662, 11806660, 16529324, 20661655, 41323310, 82646620]

約数ペア:

[(1, 82646620), (2, 41323310), (4, 20661655), (5, 16529324), (7, 11806660), (10, 8264662), (14, 5903330), (20, 4132331), (28, 2951665), (31, 2666020), (35, 2361332), (62, 1333010), (70, 1180666), (124, 666505), (137, 603260), (139, 594580), (140, 590333), (155, 533204), (217, 380860), (274, 301630), (278, 297290), (310, 266602), (434, 190430), (548, 150815), (556, 148645), (620, 133301), (685, 120652), (695, 118916), (868, 95215), (959, 86180), (973, 84940), (1085, 76172), (1370, 60326), (1390, 59458), (1918, 43090), (1946, 42470), (2170, 38086), (2740, 30163), (2780, 29729), (3836, 21545), (3892, 21235), (4247, 19460), (4309, 19180), (4340, 19043), (4795, 17236), (4865, 16988), (8494, 9730), (8618, 9590)]