81831470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 183498048

約数和(自身を除く): 101666578

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 53, 70, 98, 106, 115, 137, 161, 230, 245, 265, 274, 322, 371, 490, 530, 685, 742, 805, 959, 1127, 1219, 1370, 1610, 1855, 1918, 2254, 2438, 2597, 3151, 3710, 4795, 5194, 5635, 6095, 6302, 6713, 7261, 8533, 9590, 11270, 12190, 12985, 13426, 14522, 15755, 17066, 22057, 25970, 31510, 33565, 36305, 42665, 44114, 50827, 59731, 67130, 72610, 85330, 101654, 110285, 119462, 154399, 167003, 220570, 254135, 298655, 308798, 334006, 355789, 508270, 597310, 711578, 771995, 835015, 1169021, 1543990, 1670030, 1778945, 2338042, 3557890, 5845105, 8183147, 11690210, 16366294, 40915735, 81831470]

約数ペア:

[(1, 81831470), (2, 40915735), (5, 16366294), (7, 11690210), (10, 8183147), (14, 5845105), (23, 3557890), (35, 2338042), (46, 1778945), (49, 1670030), (53, 1543990), (70, 1169021), (98, 835015), (106, 771995), (115, 711578), (137, 597310), (161, 508270), (230, 355789), (245, 334006), (265, 308798), (274, 298655), (322, 254135), (371, 220570), (490, 167003), (530, 154399), (685, 119462), (742, 110285), (805, 101654), (959, 85330), (1127, 72610), (1219, 67130), (1370, 59731), (1610, 50827), (1855, 44114), (1918, 42665), (2254, 36305), (2438, 33565), (2597, 31510), (3151, 25970), (3710, 22057), (4795, 17066), (5194, 15755), (5635, 14522), (6095, 13426), (6302, 12985), (6713, 12190), (7261, 11270), (8533, 9590)]